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Size: 78Est cost: $94.46
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Custom
Size: 78Est cost: $94.46
No deck tags
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Commander

Qty: 1 Price: $5.99
Koma, Cosmos Serpent
This spell can't be countered.
At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil.
Sacrifice another Serpent: Choose one —
• Tap target permanent. Its activated abilities can't be activated this turn.
• Koma gains indestructible until end of turn.
Legendary Creature - Serpent
Koma, Cosmos Serpent (tle) 51

Commander

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Bounce

Qty: 1 Price: $0.49
Biblioplex Kraken
When this creature enters, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.)
Whenever this creature attacks, you may return another creature you control to its owner's hand. If you do, this creature can't be blocked this turn.
Creature - Kraken
Biblioplex Kraken (j22) 10

Bounce

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Burn

Qty: 1 Price: $0.49
Elder Deep-Fiend
Flash
Emerge
(You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, tap up to four target permanents.
Creature - Octopus Eldrazi
Elder Deep-Fiend (m3c) 154

Burn

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Counters

Qty: 1 Price: $0.49
Verazol, the Split Current
Verazol enters with a +1/+1 counter on it for each mana spent to cast it.
Whenever you cast a kicked spell, you may remove two +1/+1 counters from Verazol. If you do, copy that spell. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)
Legendary Creature - Serpent
Verazol, the Split Current (znr) 239

Counters

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Creature

Qty: 8 Price: $18.00
Arixmethes, Slumbering Isle
Arixmethes enters tapped with five slumber counters on it.
As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)
Whenever you cast a spell, you may remove a slumber counter from Arixmethes.
: Add
.
Legendary Creature - Kraken
Arixmethes, Slumbering Isle (dsc) 211
Backstreet Bruiser
Defender
As long as there are two or more counters among creatures you control, this creature can attack as though it didn't have defender.
Creature - Rogue Octopus
Backstreet Bruiser (snc) 35
Glacier Godmaw
Trample
When this creature enters, create a Lander token. (It's an artifact with "
,
, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")
Landfall — Whenever a land you control enters, creatures you control get +1/+1 and gain vigilance and haste until end of turn.
Creature - Leviathan
Glacier Godmaw (eoe) 188
Iceridge Serpent
When this creature enters, return target creature an opponent controls to its owner's hand.
Creature - Serpent
Iceridge Serpent (tdm) 49
Kenessos, Priest of Thassa
If you would scry a number of cards, scry that many cards plus one instead.
: Look at the top card of your library. If it's a Kraken, Leviathan, Octopus, or Serpent creature card, you may put it onto the battlefield. If you don't put the card onto the battlefield, you may put it on the bottom of your library.
Legendary Creature - Cleric Merfolk
Kenessos, Priest of Thassa (j22) 13
Serpent of the Pass
If there are three or more Lesson cards in your graveyard, you may cast this spell as though it had flash.
This spell costs
less to cast for each noncreature, nonland card in your graveyard.
Creature - Serpent
Serpent of the Pass (tla) 70
The Unagi of Kyoshi Island
Flash
Ward—Waterbend
. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays
. They can tap their artifacts and creatures to help. Each one pays for
.)
Whenever an opponent draws their second card each turn, you draw two cards.
Legendary Creature - Serpent
The Unagi of Kyoshi Island (tla) 319
Ultros, Obnoxious Octopus
Whenever you cast a noncreature spell, if at least four mana was spent to cast it, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Whenever you cast a noncreature spell, if at least eight mana was spent to cast it, put eight +1/+1 counters on Ultros.
Legendary Creature - Octopus
Ultros, Obnoxious Octopus (fin) 442

Creature

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Cycling

Qty: 1 Price: $0.35
Startling Development
Until end of turn, target creature becomes a blue Serpent with base power and toughness 4/4.
Cycling
(
, Discard this card: Draw a card.)
Instant
Startling Development (j22) 350

Cycling

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Discard

Qty: 1 Price: $0.35
Keen Buccaneer
Vigilance
Exhaust —
: Draw a card, then discard a card. Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.)
Creature - Pirate Octopus
Keen Buccaneer (dft) 48

Discard

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Draw

Qty: 3 Price: $4.63
Colossal Majesty
At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.
Enchantment
Colossal Majesty (clu) 160
Return of the Wildspeaker
Choose one —
• Draw cards equal to the greatest power among non-Human creatures you control.
• Non-Human creatures you control get +3/+3 until end of turn.
Instant
Return of the Wildspeaker (otc) 203
Tatyova, Benthic Druid
Landfall — Whenever a land you control enters, you gain 1 life and draw a card.
Legendary Creature - Druid Merfolk
Tatyova, Benthic Druid (dsc) 235

Draw

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Enchantment

Qty: 1 Price: $7.99
Quest for Ula's Temple
At the beginning of your upkeep, you may look at the top card of your library. If it's a creature card, you may reveal it and put a quest counter on this enchantment.
At the beginning of each end step, if there are three or more quest counters on this enchantment, you may put a Kraken, Leviathan, Octopus, or Serpent creature card from your hand onto the battlefield.
Enchantment
Quest for Ula's Temple (wwk) 35

Enchantment

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Evasion

Qty: 4 Price: $13.28
Cephalid Inkmage
When this creature enters, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Threshold — This creature can't be blocked as long as there are seven or more cards in your graveyard.
Creature - Wizard Octopus
Cephalid Inkmage (fdn) 32
Gearseeker Serpent
Affinity for artifacts (This spell costs
less to cast for each artifact you control.)
: This creature can't be blocked this turn.
Creature - Serpent
Gearseeker Serpent (dft) 43
Serpent of Yawning Depths
Krakens, Leviathans, Octopuses, and Serpents you control can't be blocked except by Krakens, Leviathans, Octopuses, and Serpents.
Creature Enchantment - Serpent
Serpent of Yawning Depths (thb) 291
Tromokratis
Tromokratis has hexproof unless it's attacking or blocking.
Tromokratis can't be blocked unless all creatures defending player controls block it. (If any creature that player controls doesn't block this creature, it can't be blocked.)
Legendary Creature - Kraken
Tromokratis (cmm) 129

Evasion

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Finisher

Qty: 2 Price: $2.48
Cryptic Serpent
This spell costs
less to cast for each instant and sorcery card in your graveyard.
Creature - Serpent
Cryptic Serpent (cmm) 83
Tolarian Terror
This spell costs
less to cast for each instant and sorcery card in your graveyard.
Ward
(Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays
.)
Creature - Serpent
Tolarian Terror (dmu) 72

Finisher

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Land

Qty: 40 Price: $19.80
Command Tower
: Add one mana of any color in your commander's color identity.
Land
Command Tower (pip) 259
Forest
(
: Add
.)
Basic Land - Forest
Forest (mh2) 489
Island
(
: Add
.)
Basic Land - Island
Island (mh2) 484

Land

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Landfall

Qty: 1 Price: $0.39
Grappling Kraken
Landfall — Whenever a land you control enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Creature - Kraken
Grappling Kraken (fdn) 39

Landfall

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Protection

Qty: 1 Price: $0.35
Caelorna, Coral Tyrant
Legendary Creature - Octopus
Caelorna, Coral Tyrant (dft) 40

Protection

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Ramp

Qty: 6 Price: $8.34
Arcane Signet
: Add one mana of any color in your commander's color identity.
Artifact
Arcane Signet (eoc) 53
Cultivate
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
Sorcery
Cultivate (eoc) 95
Kodama's Reach
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
Sorcery - Arcane
Kodama's Reach (tdc) 261
Planar Genesis
Look at the top four cards of your library. You may put a land card from among them onto the battlefield tapped. If you don't, put a card from among them into your hand. Put the rest on the bottom of your library in a random order.
Instant
Planar Genesis (mh3) 198
Rampant Growth
Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Sorcery
Rampant Growth (tdc) 265
Sol Ring
: Add
.
Artifact
Sol Ring (eoc) 57

Ramp

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Removal

Qty: 4 Price: $6.76
Counterspell
Counter target spell.
Instant
Counterspell (dsc) 114
Lorthos, the Tidemaker
Whenever Lorthos attacks, you may pay
. If you do, tap up to eight target permanents. Those permanents don't untap during their controllers' next untap steps.
Legendary Creature - Octopus
Lorthos, the Tidemaker (cmm) 103
Sword Coast Serpent
This creature can't be blocked as long as you've cast a noncreature spell this turn.
Creature - Dragon Serpent
Sword Coast Serpent // Capsizing Wave (clb) 99
Whelming Wave
Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.
Sorcery
Whelming Wave (cmr) 409

Removal

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Tokens

Qty: 2 Price: $4.28
Koma, World-Eater
This spell can't be countered.
Trample, ward

Whenever Koma deals combat damage to a player, create four 3/3 blue Serpent creature tokens named Koma's Coil.
Legendary Creature - Serpent
Koma, World-Eater (fdn) 121
Ominous Seas
Whenever you draw a card, put a foreshadow counter on this enchantment.
Remove eight foreshadow counters from this enchantment: Create an 8/8 blue Kraken creature token.
Cycling
(
, Discard this card: Draw a card.)
Enchantment
Ominous Seas (iko) 61

Tokens

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Maybeboard

Qty: 121 Price: $173.94
Aboshan, Cephalid Emperor
Tap an untapped Octopus you control: Tap target permanent.
: Tap all creatures without flying.
Legendary Creature - Octopus Noble
Aboshan, Cephalid Emperor (plst) ODY-58
Acquisition Octopus
Whenever this creature or equipped creature deals combat damage to a player, draw a card.
Reconfigure
(
: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)
Creature Artifact - Equipment Octopus
Acquisition Octopus (neo) 44
Aesi, Tyrant of Gyre Strait
You may play an additional land on each of your turns.
Landfall — Whenever a land you control enters, you may draw a card.
Legendary Creature - Serpent
Aesi, Tyrant of Gyre Strait (dsc) 210
Archipelagore
Mutate
(If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step.
Creature - Leviathan
Archipelagore (iko) 41
Benthic Anomaly
Devoid (This card has no color.)
When you cast this spell, for each opponent, choose a creature that player controls. Create a token that's a copy of one of those creatures, except its power is equal to the total power of those creatures, its toughness is equal to the total toughness of those creatures, and it's a colorless Eldrazi creature.
Creature - Eldrazi Serpent
Benthic Anomaly (m3c) 46
Benthic Behemoth
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Creature - Serpent
Benthic Behemoth (7ed) 63
Biolume Egg
Defender
When this creature enters, scry 2.
When you sacrifice this creature, return it to the battlefield transformed under its owner's control at the beginning of the next end step.
Creature - Serpent Egg
Biolume Egg // Biolume Serpent (inr) 54Biolume Egg // Biolume Serpent (inr) 54
Breaching Leviathan
When this creature enters, if you cast it from your hand, tap all nonblue creatures. Those creatures don't untap during their controllers' next untap steps.
Creature - Leviathan
Breaching Leviathan (c14) 12
Brinelin, the Moon Kraken
When Brinelin enters and whenever you cast a spell with mana value 6 or greater, you may return target nonland permanent to its owner's hand.
Partner (You can have two commanders if both have partner.)
Legendary Creature - Kraken
Brinelin, the Moon Kraken (cmm) 78
Bubble Smuggler
Disguise
(You may cast this card face down for
as a 2/2 creature with ward
. Turn it face up any time for its disguise cost.)
As this creature is turned face up, put four +1/+1 counters on it.
Creature - Fish Octopus
Bubble Smuggler (mkm) 41
Callous Oppressor
You may choose not to untap this creature during your untap step.
As this creature enters, an opponent chooses a creature type.
: Gain control of target creature that isn't of the chosen type for as long as this creature remains tapped.
Creature - Octopus
Callous Oppressor (ons) 72
Cephalid Aristocrat
Whenever this creature becomes the target of a spell or ability, mill two cards.
Creature - Octopus Noble
Cephalid Aristocrat (tor) 27
Cephalid Broker
: Target player draws two cards, then discards two cards.
Creature - Octopus
Cephalid Broker (plst) ODY-71
Cephalid Constable
Whenever this creature deals combat damage to a player, return up to that many target permanents that player controls to their owner's hand.
Creature - Wizard Octopus
Cephalid Constable (10e) 72
Cephalid Facetaker
This creature can't be blocked.
At the beginning of combat on your turn, you may have this creature become a copy of another target creature until end of turn, except it's 1/4 and has "This creature can't be blocked."
Creature - Rogue Octopus
Cephalid Facetaker (ncc) 23
Cephalid Illusionist
Whenever this creature becomes the target of a spell or ability, mill three cards.
,
: Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.
Creature - Wizard Octopus
Cephalid Illusionist (plst) TOR-28
Cephalid Inkshrouder
Discard a card: This creature gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.)
Creature - Octopus
Cephalid Inkshrouder (jud) 36
Cephalid Looter
: Target player draws a card, then discards a card.
Creature - Rogue Octopus
Cephalid Looter (ody) 72†
Cephalid Pathmage
This creature can't be blocked.
, Sacrifice this creature: Target creature can't be blocked this turn.
Creature - Wizard Octopus
Cephalid Pathmage (lgn) 31
Cephalid Retainer
: Tap target creature without flying.
Creature - Octopus
Cephalid Retainer (ody) 73
Cephalid Sage
Threshold — As long as there are seven or more cards in your graveyard, this creature has "When this creature enters, draw three cards, then discard two cards."
Creature - Octopus
Cephalid Sage (ema) 41
Cephalid Scout
Flying
, Sacrifice a land: Draw a card.
Creature - Wizard Scout Octopus
Cephalid Scout (ody) 74
Cephalid Snitch
Sacrifice this creature: Target creature loses protection from black until end of turn.
Creature - Wizard Octopus
Cephalid Snitch (tor) 30
Cephalid Vandal
At the beginning of your upkeep, put a shred counter on this creature. Then mill a card for each shred counter on this creature.
Creature - Rogue Octopus
Cephalid Vandal (tor) 31
Charix, the Raging Isle
Spells your opponents cast that target Charix cost
more to cast.
: Charix gets +X/-X until end of turn, where X is the number of Islands you control.
Legendary Creature - Crab Leviathan
Charix, the Raging Isle (znr) 49
Crush of Tentacles
Surge
(You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Return all nonland permanents to their owners' hands. If this spell's surge cost was paid, create an 8/8 blue Octopus creature token.
Sorcery
Crush of Tentacles (ogw) 53
Deep-Sea Kraken
This creature can't be blocked.
Suspend 9—
(Rather than cast this card from your hand, you may pay
and exile it with nine time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)
Whenever an opponent casts a spell, if this card is suspended, remove a time counter from it.
Creature - Kraken
Deep-Sea Kraken (dds) 3
Deep-Sea Serpent
This creature can't attack unless defending player controls an Island.
Creature - Serpent
Deep-Sea Serpent (por) 51
Deep-Sea Terror
This creature can't attack unless there are seven or more cards in your graveyard.
Creature - Serpent
Deep-Sea Terror (ori) 52
Denizen of the Deep
When this creature enters, return each other creature you control to its owner's hand.
Creature - Serpent
Denizen of the Deep (dmr) 47
Dirgur Nemesis
Defender
Megamorph
(You may cast this card face down as a 2/2 creature for
. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
Creature - Serpent
Dirgur Nemesis (plst) DTK-51
Dreamwinder
This creature can't attack unless defending player controls an Island.
, Sacrifice an Island: Target land becomes an Island until end of turn.
Creature - Serpent
Dreamwinder (ody) 83
Eater of Days
Flying, trample
When this creature enters, you skip your next two turns.
Creature Artifact - Leviathan
Eater of Days (plst) DST-120
Fisher's Talent
(Gain the next level as a sorcery to add its ability.)
At the beginning of your upkeep, look at the top card of your library. You may reveal it if it's a land card. Create a 1/1 blue Fish creature token if you revealed it this way. Then draw a card.
: Level 2
If you would create a Fish token, create a 3/3 blue Shark creature token instead.
: Level 3
If you would create a Shark token, create an 8/8 blue Octopus creature token instead.
Enchantment - Class
Fisher's Talent (blc) 36
Floodtide Serpent
This creature can't attack unless you return an enchantment you control to its owner's hand. (This cost is paid as attackers are declared.)
Creature - Serpent
Floodtide Serpent (bng) 41
Frilled Sea Serpent
: This creature can't be blocked this turn.
Creature - Serpent
Frilled Sea Serpent (plst) M19-56
Garruk's Uprising
When this enchantment enters, if you control a creature with power 4 or greater, draw a card.
Creatures you control have trample. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)
Whenever a creature you control with power 4 or greater enters, draw a card.
Enchantment
Garruk's Uprising (blc) 219
Giant Octopus
Creature - Octopus
Giant Octopus (7ed) 77
Godhunter Octopus
This creature can't attack unless defending player controls an enchantment or an enchanted permanent.
Creature - Octopus
Godhunter Octopus (jou) 39
Grozoth
Defender (This creature can't attack.)
When this creature enters, you may search your library for any number of cards that have mana value 9, reveal them, put them into your hand, then shuffle.
: This creature loses defender until end of turn.
Transmute
(
, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
Creature - Leviathan
Grozoth (rav) 53
Harbor Serpent
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
This creature can't attack unless there are five or more Islands on the battlefield.
Creature - Serpent
Harbor Serpent (m13) 53
Hullbreaker Horror
Flash
This spell can't be countered.
Whenever you cast a spell, choose up to one —
• Return target spell you don't control to its owner's hand.
• Return target nonland permanent to its owner's hand.
Creature - Horror Kraken
Hullbreaker Horror (inr) 68
Icebreaker Kraken
Affinity for snow lands (This spell costs
less to cast for each snow land you control.)
When this creature enters, artifacts and creatures target opponent controls don't untap during that player's next untap step.
Return three snow lands you control to their owner's hand: Return this creature to its owner's hand.
Snow Creature - Kraken
Icebreaker Kraken (khm) 63
Inkwell Leviathan
Trample
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Shroud (This creature can't be the target of spells or abilities.)
Creature Artifact - Leviathan
Inkwell Leviathan (2xm) 55
Invasion of Segovia
(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When this Siege enters, create two 1/1 blue Kraken creature tokens with trample.
Battle - Siege
Invasion of Segovia // Caetus, Sea Tyrant of Segovia (mom) 63Invasion of Segovia // Caetus, Sea Tyrant of Segovia (mom) 63
Isleback Spawn
Shroud (This creature can't be the target of spells or abilities.)
This creature gets +4/+8 as long as a library has twenty or fewer cards in it.
Creature - Kraken
Isleback Spawn (shm) 40
Jokulmorder
Trample
This creature enters tapped.
When this creature enters, sacrifice it unless you sacrifice five lands.
This creature doesn't untap during your untap step.
Whenever you play an Island, you may untap this creature.
Creature - Leviathan
Jokulmorder (plst) CSP-37
Junk Winder
Affinity for tokens (This spell costs
less to cast for each token you control.)
Whenever a token you control enters, tap target nonland permanent an opponent controls. It doesn't untap during its controller's next untap step.
Creature - Serpent
Junk Winder (blc) 169
Kederekt Leviathan
When this creature enters, return all other nonland permanents to their owners' hands.
Unearth
(
: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)
Creature - Leviathan
Kederekt Leviathan (2x2) 55
Kiora, Master of the Depths
+1: Untap up to one target creature and up to one target land.
−2: Reveal the top four cards of your library. You may put a creature card and/or a land card from among them into your hand. Put the rest into your graveyard.
−8: You get an emblem with "Whenever a creature you control enters, you may have it fight target creature." Then create three 8/8 blue Octopus creature tokens.
Legendary Planeswalker - Kiora
Kiora, Master of the Depths (bfz) 213
Kiora, Sovereign of the Deep
Vigilance, ward

Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell from your hand, look at the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value less than X from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.
Legendary Creature - Merfolk Noble
Kiora, Sovereign of the Deep (mat) 35
Kiora, the Crashing Wave
+1: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls.
−1: Draw a card. You may play an additional land this turn.
−5: You get an emblem with "At the beginning of your end step, create a 9/9 blue Kraken creature token."
Legendary Planeswalker - Kiora
Kiora, the Crashing Wave (ddo) 34
Kiora, the Rising Tide
When Kiora enters, draw two cards, then discard two cards.
Threshold — Whenever Kiora attacks, if there are seven or more cards in your graveyard, you may create Scion of the Deep, a legendary 8/8 blue Octopus creature token.
Legendary Creature - Merfolk Noble
Kiora, the Rising Tide (fdn) 45
Kiora's Dambreaker
When this creature enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Creature - Leviathan
Kiora's Dambreaker (rvr) 48
Koma, Cosmos Serpent
This spell can't be countered.
At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil.
Sacrifice another Serpent: Choose one —
• Tap target permanent. Its activated abilities can't be activated this turn.
• Koma gains indestructible until end of turn.
Legendary Creature - Serpent
Koma, Cosmos Serpent (mkc) 213
Kraken Hatchling
Creature - Kraken
Kraken Hatchling (bbd) 121
Kraken of the Straits
Creatures with power less than the number of Islands you control can't block this creature.
Creature - Kraken
Kraken of the Straits (bng) 42
Kukemssa Serpent
This creature can't attack unless defending player controls an Island.
, Sacrifice an Island: Target land an opponent controls becomes an Island until end of turn.
When you control no Islands, sacrifice this creature.
Creature - Serpent
Kukemssa Serpent (mir) 72
Leviathan
Trample
This creature enters tapped and doesn't untap during your untap step.
At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap this creature.
This creature can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)
Creature - Leviathan
Leviathan (5ed) 98
Llawan, Cephalid Empress
When Llawan enters, return all blue creatures your opponents control to their owners' hands.
Your opponents can't cast blue creature spells.
Legendary Creature - Octopus Noble
Llawan, Cephalid Empress (plst) TOR-42
Marjhan
This creature doesn't untap during your untap step.
, Sacrifice a creature: Untap this creature. Activate only during your upkeep.
This creature can't attack unless defending player controls an Island.
: This creature gets -1/-0 until end of turn and deals 1 damage to target attacking creature without flying.
When you control no Islands, sacrifice this creature.
Creature - Serpent
Marjhan (hml) 31
Mercurial Transformation
Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.
Sorcery - Lesson
Mercurial Transformation (stx) 47
Mesmerizing Benthid
When this creature enters, create two 0/2 blue Illusion creature tokens with "Whenever this token blocks a creature, that creature doesn't untap during its controller's next untap step."
This creature has hexproof as long as you control an Illusion.
Creature - Octopus
Mesmerizing Benthid (rna) 43
Monstrosity of the Lake
When Monstrosity of the Lake enters, you may pay
. If you do, tap all creatures your opponents control, then put a stun counter on each of those creatures. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Islandcycling
(
, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)
Legendary Creature - Kraken
Monstrosity of the Lake (ltc) 22
Nadir Kraken
Whenever you draw a card, you may pay
. If you do, put a +1/+1 counter on this creature and create a 1/1 blue Tentacle creature token.
Creature - Kraken
Nadir Kraken (j25) 332
Nimbus Swimmer
Flying
This creature enters with X +1/+1 counters on it.
Creature - Leviathan
Nimbus Swimmer (ddo) 54
Octavia, Living Thesis
This spell costs
less to cast if you have eight or more instant and/or sorcery cards in your graveyard.
Ward

Magecraft — Whenever you cast or copy an instant or sorcery spell, target creature has base power and toughness 8/8 until end of turn.
Legendary Creature - Elemental Octopus
Octavia, Living Thesis (otc) 103
Octomancer
Gift an Octopus (You may promise an opponent a gift as you cast this spell. If you do, when it enters, they create an 8/8 blue Octopus creature token.)
At the beginning of each end step, create a token that's a copy of target creature token that entered the battlefield this turn.
Creature - Druid Frog
Octomancer (blc) 37
Octoprophet
When this creature enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
Creature - Octopus
Octoprophet (j22) 329
Omen Hawker
: Add
. Spend this mana only to activate abilities.
Creature - Advisor Octopus
Omen Hawker (mom) 70
Pearl Lake Ancient
Flash
This spell can't be countered.
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Return three lands you control to their owner's hand: Return this creature to its owner's hand.
Creature - Leviathan
Pearl Lake Ancient (ktk) 49
Polar Kraken
Trample
This creature enters tapped.
Cumulative upkeep—Sacrifice a land. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Creature - Kraken
Polar Kraken (ice) 89
Psychic Pickpocket
When this creature enters, it connives. When it connives this way, return up to one target nonland permanent to its owner's hand. (To have a creature connive, draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)
Creature - Rogue Octopus
Psychic Pickpocket (snc) 54
Reef Worm
When this creature dies, create a 3/3 blue Fish creature token with "When this token dies, create a 6/6 blue Whale creature token with 'When this token dies, create a 9/9 blue Kraken creature token.'"
Creature - Worm
Reef Worm (mh3) 271
Reservoir Kraken
Trample, ward

At the beginning of each combat, if this creature is untapped, any opponent may tap an untapped creature they control. If they do, tap this creature and create a 1/1 blue Fish creature token with "This token can't be blocked."
Creature - Kraken
Reservoir Kraken (snc) 56
River Serpent
This creature can't attack unless there are five or more cards in your graveyard.
Cycling
(
, Discard this card: Draw a card.)
Creature - Serpent
River Serpent (plst) AKH-66
Ronom Serpent
This creature can't attack unless defending player controls a snow land.
When you control no snow lands, sacrifice this creature.
Snow Creature - Serpent
Ronom Serpent (csp) 45
Sandbar Serpent
Cycling
(
, Discard this card: Draw a card.)
Creature - Serpent
Sandbar Serpent (usg) 95
Scourge of Fleets
When this creature enters, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.
Creature - Kraken
Scourge of Fleets (cmr) 403
Scrapdiver Serpent
This creature can't be blocked as long as defending player controls an artifact.
Creature - Serpent
Scrapdiver Serpent (cmr) 94
Sea Monster
This creature can't attack unless defending player controls an Island.
Creature - Serpent
Sea Monster (10e) 106
Sea Serpent
This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.
Creature - Serpent
Sea Serpent (5ed) 118
Sea-Dasher Octopus
Mutate
(If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flash
Whenever this creature deals combat damage to a player, draw a card.
Creature - Octopus
Sea-Dasher Octopus (iko) 66
Sealock Monster
This creature can't attack unless defending player controls an Island.
: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When this creature becomes monstrous, target land becomes an Island in addition to its other types.
Creature - Octopus
Sealock Monster (plst) DDO-42
Segovian Leviathan
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Creature - Leviathan
Segovian Leviathan (6ed) 97
Serpent of the Endless Sea
Serpent of the Endless Sea's power and toughness are each equal to the number of Islands you control.
This creature can't attack unless defending player controls an Island.
Creature - Serpent
Serpent of the Endless Sea (m10) 70
Serpentine Ambush
Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5.
Instant
Serpentine Ambush (j25) 352
Sharktocrab
: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.)
Whenever one or more +1/+1 counters are put on this creature, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
Creature - Crab Octopus Shark
Sharktocrab (rvr) 222
Shield Broker
When this creature enters, put a shield counter on target noncommander creature you don't control. You gain control of that creature for as long as it has a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)
Creature - Advisor Octopus
Shield Broker (blc) 174
Shipbreaker Kraken
: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.)
When this creature becomes monstrous, tap up to four target creatures. Those creatures don't untap during their controllers' untap steps for as long as you control this creature.
Creature - Kraken
Shipbreaker Kraken (cmr) 404
Shoal Kraken
Constellation — Whenever an enchantment you control enters, you may draw a card. If you do, discard a card.
Creature - Kraken
Shoal Kraken (thb) 65
Shoal Serpent
Defender
Landfall — Whenever a land you control enters, this creature loses defender until end of turn.
Creature - Serpent
Shoal Serpent (zen) 65
Shrouded Serpent
Whenever this creature attacks, defending player may pay
. If that player doesn't, this creature can't be blocked this turn.
Creature - Serpent
Shrouded Serpent (pcy) 47
Simic Sky Swallower
Flying, trample
Shroud (This creature can't be the target of spells or abilities.)
Creature - Leviathan
Simic Sky Swallower (cmr) 452
Sin, Unending Cataclysm
Flying, trample
As Sin enters, remove all counters from any number of artifacts, creatures, and enchantments. Sin enters with X +1/+1 counters on it, where X is twice the number of counters removed this way.
When Sin dies, put its counters on target creature you control, then shuffle this card into its owner's library.
Legendary Creature - Avatar Leviathan
Sin, Unending Cataclysm (fic) 95
Sky Swallower
Flying
When this creature enters, target opponent gains control of all other permanents you control.
Creature - Leviathan
Sky Swallower (gpt) 34
Slinn Voda, the Rising Deep
Kicker
(You may pay an additional
as you cast this spell.)
When Slinn Voda enters, if it was kicked, return all creatures to their owners' hands except for Merfolk, Krakens, Leviathans, Octopuses, and Serpents.
Legendary Creature - Leviathan
Slinn Voda, the Rising Deep (cmr) 405
Slipstream Serpent
This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.
Morph
(You may cast this card face down as a 2/2 creature for
. Turn it face up any time for its morph cost.)
Creature - Serpent
Slipstream Serpent (tsr) 86
Sliptide Serpent
: Return this creature to its owner's hand.
Creature - Serpent
Sliptide Serpent (nem) 43
Spawning Kraken
Whenever a Kraken, Leviathan, Octopus, or Serpent you control deals combat damage to a player, create a 9/9 blue Kraken creature token.
Creature - Kraken
Spawning Kraken (c21) 33
Spire Serpent
Defender
Metalcraft — As long as you control three or more artifacts, this creature gets +2/+2 and can attack as though it didn't have defender.
Creature - Serpent
Spire Serpent (mbs) 32
Steelclad Serpent
This creature can't attack unless you control another artifact.
Creature Artifact - Serpent
Steelclad Serpent (ala) 59
Stormsurge Kraken
Hexproof
Lieutenant — As long as you control your commander, this creature gets +2/+2 and has "Whenever this creature becomes blocked, you may draw two cards."
Creature - Kraken
Stormsurge Kraken (cmm) 122
Stormtide Leviathan
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack.
Creature - Leviathan
Stormtide Leviathan (cmr) 407
Striped Riverwinder
Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Cycling
(
, Discard this card: Draw a card.)
Creature - Serpent
Striped Riverwinder (plst) HOU-48
Summon: Leviathan
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Return each creature that isn't a Kraken, Leviathan, Merfolk, Octopus, or Serpent to its owner's hand.
II, III — Until end of turn, whenever a Kraken, Leviathan, Merfolk, Octopus, or Serpent attacks, draw a card.
Ward
Creature Enchantment - Saga Leviathan
Summon: Leviathan (fin) 77
Taniwha
Trample
Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)
At the beginning of your upkeep, all lands you control phase out. (They phase in before you untap during your next untap step.)
Legendary Creature - Serpent
Taniwha (mir) 95
The Watcher in the Water
The Watcher in the Water enters tapped with nine stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Whenever you draw a card during an opponent's turn, create a 1/1 blue Tentacle creature token.
Whenever a Tentacle you control dies, untap up to one target Kraken and put a stun counter on up to one target nonland permanent.
Legendary Creature - Kraken
The Watcher in the Water (ltr) 75
Thing from the Deep
Whenever this creature attacks, sacrifice it unless you sacrifice an Island.
Creature - Leviathan
Thing from the Deep (plst) POR-73
Thing in the Ice
Defender
This creature enters with four ice counters on it.
Whenever you cast an instant or sorcery spell, remove an ice counter from this creature. Then if it has no ice counters on it, transform it.
Creature - Horror
Thing in the Ice // Awoken Horror (inr) 91Thing in the Ice // Awoken Horror (inr) 91
Tidal Kraken
This creature can't be blocked.
Creature - Kraken
Tidal Kraken (9ed) 105
Tidal Terror
Whenever this creature attacks, you may tap two other untapped creatures you control. If you do, this creature can't be blocked this turn.
Islandcycling
(
, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)
Creature - Octopus
Tidal Terror (mom) 82
Tolarian Kraken
Whenever you draw a card, you may pay
. When you do, you may tap or untap target creature.
Creature - Kraken
Tolarian Kraken (j25) 377
Tolarian Serpent
At the beginning of your upkeep, mill seven cards.
Creature - Serpent
Tolarian Serpent (wth) 57
Trench Behemoth
Return a land you control to its owner's hand: Untap this creature. It gains hexproof until end of turn.
Landfall — Whenever a land you control enters, target creature an opponent controls attacks during its controller's next combat phase if able.
Creature - Kraken
Trench Behemoth (cmr) 366
Trench Gorger
Trample
When this creature enters, you may search your library for any number of land cards, exile them, then shuffle. If you do, this creature has base power and base toughness each equal to the number of cards exiled this way.
Creature - Leviathan
Trench Gorger (plst) CMD-65
Unruly Krasis
Trample
Whenever this creature attacks, you may have the base power and toughness of another target creature you control become X/X until end of turn, where X is this creature's power.
: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)
Creature - Lizard Octopus Shark
Unruly Krasis (clu) 50
Veiled Serpent
When an opponent casts a spell, if this permanent is an enchantment, it becomes a 4/4 Serpent creature with "This creature can't attack unless defending player controls an Island."
Cycling
(
, Discard this card: Draw a card.)
Enchantment
Veiled Serpent (dmr) 72
Vodalian Serpent
Kicker
(You may pay an additional
as you cast this spell.)
This creature can't attack unless defending player controls an Island.
If this creature was kicked, it enters with four +1/+1 counters on it.
Creature - Serpent
Vodalian Serpent (inv) 86
Wormhole Serpent
: Target creature can't be blocked this turn.
Creature - Serpent
Wormhole Serpent (stx) 62
Xolatoyac, the Smiling Flood
Whenever Xolatoyac enters or attacks, put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it.
At the beginning of your end step, untap each permanent you control with a counter on it.
Legendary Creature - Salamander Serpent
Xolatoyac, the Smiling Flood (lcc) 8

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0 pips - 0 cards
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44 pips - 29 cards
32 mana - 32 cards
0 pips - 0 cards
2 mana - 2 cards
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2 mana - 2 cards
15 pips - 12 cards
13 mana - 13 cards
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2 mana - 1 card
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