{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {G}.)

({T}: Add {U}.)

This land enters tapped. {T}: Add {U}. {4}{U}, {T}, Sacrifice this land: Draw two cards.

This land enters tapped. {T}: Add {U}. Cycling {2} ({2}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {G}. Cycling {2} ({2}, Discard this card: Draw a card.)

This land enters tapped. As it enters, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

Landfall — Whenever a land you control enters, equipped creature gets +2/+2 until end of turn. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +1/+2. Whenever you draw your second card each turn, attach this Equipment to target creature you control. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {G} or {U}. {G}{U}, {T}, Sacrifice this artifact: Draw a card.

Reach, trample When this creature enters, you gain 5 life. {2}{G}, Exile this card from your graveyard: You gain 5 life.

Landfall — Whenever a land you control enters, this creature gets +2/+2 until end of turn.

Defender (This creature can't attack.) When this creature enters, create a 1/1 blue Squid creature token with islandwalk. (It can't be blocked as long as defending player controls an Island.)

Play with the top card of your library revealed. You may play lands from the top of your library. Landfall — Whenever a land you control enters, you gain 1 life.

Flash (You may cast this spell any time you could cast an instant.) Flying, deathtouch {5}{G}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

{1}{G}: This creature gets +2/+2 until end of turn. Activate only once each turn.

Reach When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

Vigilance If you would gain life, you gain that much life plus 1 instead. This creature gets +2/+1 as long as you have 25 or more life.

{T}: Untap target land. Threshold — {T}: Untap up to three target lands. Activate only if seven or more cards are in your graveyard.

When this creature enters, return target creature to its owner's hand.

When this creature enters, draw a card, then discard a card. {1}{U}, Exile this card from your graveyard: Draw a card, then discard a card.

Other Merfolk creatures you control get +1/+1. Whenever you cast a Merfolk spell, you may tap or untap target permanent.

Infesting Spores — When this creature enters, destroy up to one target artifact or enchantment.

Whenever you draw your second card each turn, this creature gains flying until end of turn.

Flying, deathtouch

Flying When this creature enters, untap up to five lands.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Whenever this creature enters or attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Trample Landfall — Whenever a land you control enters, you may create a 4/4 green Beast creature token.

This creature gets +3/+2 as long as there are four or more creature cards in your graveyard. {T}: Add one mana of any color.

This creature can't be blocked. Whenever another Merfolk you control enters, this creature gets +1/+1 until end of turn.

Whenever this creature deals damage to an opponent, target player draws a card.

Flash (You may cast this spell any time you could cast an instant.) Flying {3}{U}: Draw a card.

Svyelun has indestructible as long as you control at least two other Merfolk. Whenever Svyelun attacks, draw a card. Other Merfolk you control have ward {1}. (Whenever another Merfolk you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)

This creature can't be blocked as long as you've drawn two or more cards this turn.

This creature can't be blocked.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Landfall — Whenever a land you control enters, you may have target creature block this creature this turn if able.

As long as you control eight or more lands, this creature gets +1/+0 and can't be blocked.

When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

This spell has flash as long as you control a Merfolk. Return target creature to its owner's hand. Draw a card.

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose one — • Create a token that's a copy of target artifact creature you control. • Create a token that's a copy of target nonartifact creature you control. Entwine {2}{U} (Choose both if you pay the entwine cost.)

Landfall — Whenever a land you control enters, you may put a quest counter on this enchantment. Remove three quest counters from this enchantment and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors.

Enchant creature Enchanted creature gets +2/+2 and has flying.

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 {2} ({2}, Discard this card: Draw a card.)

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Counter target spell.

Draw two cards, then discard two cards. Untap up to three lands.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Return target nonland permanent to its owner's hand. Draw a card.

Prevent all combat damage that would be dealt this turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Search your library for a basic land card, put it onto the battlefield, then shuffle. Until end of turn, that land becomes a 4/3 Insect creature with reach and haste. It's still a land.

Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5.

Return target creature to its owner's hand. Untap up to two lands.

Choose one — • Counter target spell unless its controller pays {4}. • Draw two cards.

This spell costs {2} less to cast if you control at least two creatures that share a creature type. Put target nonland permanent into its owner's library second from the top.

Target creature gets +4/+4 until end of turn.

Choose artifact, creature, or land. Tap all untapped permanents of the chosen type target player controls, or untap all tapped permanents of that type that player controls.