Quagmire Lamprey

Whenever this creature becomes blocked by a creature, put a -1/-1 counter on that creature.

Acidic Dagger

{4}, {T}: Whenever target creature deals combat damage to a non-Wall creature this turn, destroy that non-Wall creature. When the targeted creature leaves the battlefield this turn, sacrifice this artifact. Activate only before blockers are declared.

Chimney Imp

Flying
When this creature dies, target opponent puts a card from their hand on top of their library.

Snowfall

Cumulative upkeep {U} (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.)
Whenever an Island is tapped for mana, its controller may add an additional {U}. If that Island is snow, its controller may add an additional {U}{U} instead. Spend this mana only to pay cumulative upkeep costs.

Unholy Citadel

Black legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Nivix, Aerie of the Firemind

{T}: Add {C}.
{2}{U}{R}, {T}: Exile the top card of your library. Until your next turn, you may cast it if it's an instant or sorcery spell.

Darksteel Relic

Indestructible (Effects that say "destroy" don't destroy this artifact.)

Dwarven Pony

{1}{R}, {T}: Target Dwarf creature gains mountainwalk until end of turn. (It can't be blocked as long as defending player controls a Mountain.)

An-Havva Township

{T}: Add {C}.
{1}, {T}: Add {G}.
{2}, {T}: Add {R} or {W}.

Divining Witch

{1}{B}, {T}, Discard a card: Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you reveal a card with the chosen name. Put that card into your hand and exile all other cards revealed this way.

Barbed Foliage

Whenever a creature attacks you, it loses flanking until end of turn.
Whenever a creature without flying attacks you, this enchantment deals 1 damage to it.

Warping Wurm

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, this creature phases out unless you pay {2}{G}{U}.
Whenever this creature phases in, put a +1/+1 counter on it.

Cabal Inquisitor

Threshold — {1}{B}, {T}, Exile two cards from your graveyard: Target player discards a card. Activate only as a sorcery and only if seven or more cards are in your graveyard.

Cephalid Snitch

Sacrifice this creature: Target creature loses protection from black until end of turn.

Deep Water

{U}: Until end of turn, if you tap a land you control for mana, it produces {U} instead of any other type.

Adventurers' Guildhouse

Green legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Nameless Race

Trample
As this creature enters, pay any amount of life. The amount you pay can't be more than the total number of white nontoken permanents your opponents control plus the total number of white cards in their graveyards.
Nameless Race's power and toughness are each equal to the life paid as it entered.

Mercadian Lift

{1}, {T}: Put a winch counter on this artifact.
{T}, Remove X winch counters from this artifact: You may put a creature card with mana value X from your hand onto the battlefield.

Seafarer's Quay

Blue legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Parallax Inhibitor

{1}, {T}, Sacrifice this artifact: Put a fade counter on each permanent with fading you control.

Forsaken City

This land doesn't untap during your untap step.
At the beginning of your upkeep, you may exile a card from your hand. If you do, untap this land.
{T}: Add one mana of any color.

Strongarm Tactics

Each player discards a card. Then each player who didn't discard a creature card this way loses 4 life.

City of Shadows

{T}, Exile a creature you control: Put a storage counter on this land.
{T}: Add {C} for each storage counter on this land.

Shelkin Brownie

{T}: Target creature loses all "bands with other" abilities until end of turn.

Untaidake, the Cloud Keeper

Untaidake enters tapped.
{T}, Pay 2 life: Add {C}{C}. Spend this mana only to cast legendary spells.

Halls of Mist

Cumulative upkeep {1} (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.)
Creatures that attacked during their controller's last turn can't attack.

Index

Look at the top five cards of your library, then put them back in any order.

Mountain Stronghold

Red legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Cathedral of Serra

White legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Goblin Game

Each player hides at least one item, then all players reveal them simultaneously. Each player loses life equal to the number of items they revealed. The player who revealed the fewest items then loses half their life, rounded up. If two or more players are tied for fewest, each loses half their life, rounded up.

Desert

{T}: Add {C}.
{T}: This land deals 1 damage to target attacking creature. Activate only during the end of combat step.

Reality Twist

Cumulative upkeep {1}{U}{U} (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.)
If tapped for mana, Plains produce {R}, Swamps produce {G}, Mountains produce {W}, and Forests produce {B} instead of any other type.

Goblin Lyre

Sacrifice this artifact: Flip a coin. If you win the flip, this artifact deals damage to target opponent or planeswalker equal to the number of creatures you control. If you lose the flip, this artifact deals damage to you equal to the number of creatures that opponent or that planeswalker's controller controls.

Orzhova, the Church of Deals

{T}: Add {C}.
{3}{W}{B}, {T}: Target player loses 1 life and you gain 1 life.

Leeches

Target player loses all poison counters. Leeches deals that much damage to that player.

Wood Elemental

As this creature enters, sacrifice any number of untapped Forests.
Wood Elemental's power and toughness are each equal to the number of Forests sacrificed as it entered.

One with Nothing

Sorrow's Path

{T}: Choose two target blocking creatures controlled by the same opponent. If each of those creatures could block all creatures that the other is blocking, remove both of them from combat. Each one then blocks all creatures the other was blocking.
Whenever this land becomes tapped, it deals 2 damage to you and each creature you control.

Koskun Keep

{T}: Add {C}.
{1}, {T}: Add {R}.
{2}, {T}: Add {B} or {G}.

Metamorphosis

As an additional cost to cast this spell, sacrifice a creature.
Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells.

Rainbow Vale

{T}: Add one mana of any color. An opponent gains control of this land at the beginning of the next end step.

Rath's Edge

{T}: Add {C}.
{4}, {T}, Sacrifice a land: Rath's Edge deals 1 damage to any target.

Wizards' School

{T}: Add {C}.
{1}, {T}: Add {U}.
{2}, {T}: Add {W} or {B}.

Rhystic Cave

{T}: Choose a color. Add one mana of that color unless any player pays {1}. Activate only as an instant.

Didgeridoo

{3}: You may put a Minotaur permanent card from your hand onto the battlefield.

Tombfire

Target player exiles all cards with flashback from their graveyard.

Rapid Fire

Cast this spell only before blockers are declared.
Target creature gains first strike until end of turn. If it doesn't have rampage, that creature gains rampage 2 until end of turn. (Whenever the creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)

Tomb of Urami

{T}: Add {B}. Tomb of Urami deals 1 damage to you if you don't control an Ogre.
{2}{B}{B}, {T}, Sacrifice all lands you control: Create Urami, a legendary 5/5 black Demon Spirit creature token with flying.

Delif's Cone

{T}, Sacrifice this artifact: This turn, when target creature you control attacks and isn't blocked, you may gain life equal to its power. If you do, it assigns no combat damage this turn.

Security Detail

{W}{W}: Create a 1/1 white Soldier creature token. Activate only if you control no creatures and only once each turn.

Erosion

Enchant land
At the beginning of the upkeep of enchanted land's controller, destroy that land unless that player pays {1} or 1 life.

Hint of Insanity

Target player reveals their hand. That player discards all nonland cards with the same name as another card in their hand.

Fatal Mutation

Enchant creature
When enchanted creature is turned face up, destroy it. It can't be regenerated.

Mouth of Ronom

{T}: Add {C}.
{4}{S}, {T}, Sacrifice this land: It deals 4 damage to target creature. ({S} can be paid with one mana from a snow source.)

Castle Sengir

{T}: Add {C}.
{1}, {T}: Add {B}.
{2}, {T}: Add {U} or {R}.

Ghost Town

{T}: Add {C}.
{0}: Return this land to its owner's hand. Activate only if it's not your turn.

Mudhole

Target player exiles all land cards from their graveyard.

Time and Tide

Simultaneously, all phased-out creatures phase in and all creatures with phasing phase out.

Dripping Dead

This creature can't block.
Whenever this creature deals combat damage to a creature, destroy that creature. It can't be regenerated.

Arcum's Sleigh

{2}, {T}: Target creature gains vigilance until end of turn. Activate only during combat and only if defending player controls a snow land.

Atogatog

Sacrifice an Atog creature: Atogatog gets +X/+X until end of turn, where X is the sacrificed creature's power.

Naked Singularity

Cumulative upkeep {3} (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.)
If tapped for mana, Plains produce {R}, Islands produce {G}, Swamps produce {W}, Mountains produce {U}, and Forests produce {B} instead of any other type.

Maze of Shadows

{T}: Add {C}.
{T}: Untap target attacking creature with shadow. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Tahngarth's Glare

Look at the top three cards of target opponent's library, then put them back in any order. That player looks at the top three cards of your library, then puts them back in any order.

Wintermoon Mesa

This land enters tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice this land: Tap two target lands.

Heart of Yavimaya

If this land would enter, sacrifice a Forest instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {G}.
{T}: Target creature gets +1/+1 until end of turn.

Sequestered Stash

{T}: Add {C}.
{4}, {T}, Sacrifice this land: Mill five cards. Then you may put an artifact card from your graveyard on top of your library.

Sporogenesis

At the beginning of your upkeep, you may put a fungus counter on target nontoken creature.
Whenever a creature with a fungus counter on it dies, create a 1/1 green Saproling creature token for each fungus counter on that creature.
When this enchantment leaves the battlefield, remove all fungus counters from all creatures.

North Star

{4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.)

Razor Pendulum

At the beginning of each player's end step, if that player has 5 or less life, this artifact deals 2 damage to that player.

Pretender's Claim

Enchant creature
Whenever enchanted creature becomes blocked, tap all lands defending player controls.

Pale Moon

Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type.

Glyph of Delusion

Put X glyph counters on target creature that target Wall blocked this turn, where X is the power of that blocked creature. The creature gains "This creature doesn't untap during your untap step if it has a glyph counter on it" and "At the beginning of your upkeep, remove a glyph counter from this creature."

Keldon Necropolis

{T}: Add {C}.
{4}{R}, {T}, Sacrifice a creature: Keldon Necropolis deals 2 damage to any target.

Saprazzan Raider

When this creature becomes blocked, return it to its owner's hand.

Break Open

Turn target face-down creature an opponent controls face up.

Ice Floe

You may choose not to untap this land during your untap step.
{T}: Tap target creature without flying that's attacking you. It doesn't untap during its controller's untap step for as long as this land remains tapped.

Mossdog

Whenever this creature becomes the target of a spell or ability an opponent controls, put a +1/+1 counter on this creature.

Tarnished Citadel

{T}: Add {C}.
{T}: Add one mana of any color. This land deals 3 damage to you.

Crucible of the Spirit Dragon

{T}: Add {C}.
{1}, {T}: Put a storage counter on this land.
{T}, Remove X storage counters from this land: Add X mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.

Power Leak

Enchant enchantment
At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. This Aura deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.

Teferi's Isle

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.)
Teferi's Isle enters tapped.
{T}: Add {U}{U}.

Decaying Soil

At the beginning of your upkeep, exile a card from your graveyard.
Threshold — As long as seven or more cards are in your graveyard, this enchantment has "Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {1}. If you do, return that card to your hand."

Chaos Lord

First strike
At the beginning of your upkeep, target opponent gains control of this creature if the number of permanents is even.
This creature can attack as though it had haste unless it entered this turn.

Phyrexian Tribute

As an additional cost to cast this spell, sacrifice two creatures.
Destroy target artifact.

Visions

Look at the top five cards of target player's library. You may then have that player shuffle that library.

Avalanche

Shaman's Trance

Other players can't play lands or cast spells from their graveyards this turn. You may play lands and cast spells from other players' graveyards this turn as though those cards were in your graveyard.

Aven Shrine

Whenever a player casts a spell, that player gains X life, where X is the number of cards in all graveyards with the same name as that spell.

Oasis

{T}: Prevent the next 1 damage that would be dealt to target creature this turn.

Safe Haven

{2}, {T}: Exile target creature you control.
At the beginning of your upkeep, you may sacrifice this land. If you do, return each card exiled with this land to the battlefield under its owner's control.

Fortified Area

Wall creatures you control get +1/+0 and have banding. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Mogg Squad

This creature gets -1/-1 for each other creature on the battlefield.

Hawkeater Moth

Flying
Shroud (This creature can't be the target of spells or abilities.)

Animal Magnetism

Reveal the top five cards of your library. An opponent chooses a creature card from among them. Put that card onto the battlefield and the rest into your graveyard.

Aisling Leprechaun

Whenever this creature blocks or becomes blocked by a creature, that creature becomes green. (This effect lasts indefinitely.)

Gods' Eye, Gate to the Reikai

{T}: Add {C}.
When Gods' Eye is put into a graveyard from the battlefield, create a 1/1 colorless Spirit creature token.

Aysen Abbey

{T}: Add {C}.
{1}, {T}: Add {W}.
{2}, {T}: Add {G} or {U}.

Crevasse

Creatures with mountainwalk can be blocked as though they didn't have mountainwalk.

Merchant Ship

This creature can't attack unless defending player controls an Island.
Whenever this creature attacks and isn't blocked, you gain 2 life.
When you control no Islands, sacrifice this creature.