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At the beginning of combat on your turn, each Merfolk creature you control explores. (Reveal the top card of your library. Put that card into your ...

At the beginning of combat on your turn, each Merfolk creature you control explores. (Reveal the top card of your library. Put that card into your ...

Whenever Cordial Vampire or another creature dies, put a +1/+1 counter on each Vampire you control.

When Champion of Dusk enters the battlefield, you draw X cards and you lose X life, where X is the number of Vampires you control.

Flying {B}, Pay 2 life: Put a +1/+1 counter on Bloodtracker. When Bloodtracker leaves the battlefield, draw a card for each +1/+1 counter on it.

Lifelink When Bloodline Necromancer enters the battlefield, you may return target Vampire or Wizard creature card from your graveyard to the battle...

Bloodghast can't block. Bloodghast has haste as long as an opponent has 10 or less life. Landfall — Whenever a land enters the battlefield under yo...

Destroy all creatures. For each nontoken creature destroyed this way, you create a tapped Treasure token.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

At the beginning of your end step, draw a card. Whenever a creature deals combat damage to you, its controller becomes the monarch.

At the beginning of your end step, draw a card. Whenever a creature deals combat damage to you, its controller becomes the monarch.

Whenever you attack, target attacking Vampire that isn't a Demon becomes a Demon in addition to its other types. It gains "When this creature dies,...

Whenever you attack, target attacking Vampire that isn't a Demon becomes a Demon in addition to its other types. It gains "When this creature dies,...

Kicker {X}. X can't be 0. (You may pay an additional {X} as you cast this spell.) Flying When Thieving Skydiver enters the battlefield, if it was k...

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control c...

Svyelun of Sea and Sky has indestructible as long as you control at least two other Merfolk. Whenever Svyelun attacks, draw a card. Other Merfolk y...

Whenever Surgespanner becomes tapped, you may pay {1}{U}. If you do, return target permanent to its owner's hand.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Merfolk spells and Wizard spells you cast cost {1} less...

Flying {U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Whenever a Merfolk you control deals combat damage to a player, draw a card.

When Admiral Brass, Unsinkable enters the battlefield, mill four cards. At the beginning of combat on your turn, you may return target Pirate creat...