Singles

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...

Until end of turn, target creature becomes a blue Serpent with base power and toughness 4/4. Cycling {1} ({1}, Discard this card: Draw a card.)

Flying Whenever you cast a spell from anywhere other than your hand, you may pay {1}{U/R}. If you do, copy that spell and you may choose new target...

Flying As long as you control four or more artifacts, Shimmer Dragon has hexproof. Tap two untapped artifacts you control: Draw a card.

Draw a card. Scry 2.

Whenever Saltwater Stalwart deals damage to an opponent, target player draws a card.

Flying {S}, {T}: Draw a card, then discard a card. ({S} can be paid with one mana from a snow source.)

Scry 1. Draw a card.

Flying Whenever you draw a card, put a +1/+1 counter on Oneirophage.

Changeling (This card is every creature type.) Flying {1}{U}: Mistwalker gets +1/-1 until end of turn.

Whenever you attack with two or more creatures, draw a card.

Other Merfolk creatures you control get +1/+1. {T}: Target Merfolk creature can't be blocked this turn.

Enchant artifact you control At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more...

Whenever Marit Lage's Slumber or another snow permanent enters the battlefield under your control, scry 1. At the beginning of your upkeep, if you ...

Equipped creature gets +1/+2. Whenever you draw your second card each turn, attach Mantle of Tides to target creature you control. Equip {3} ({3}: ...

Flying Whenever an artifact enters the battlefield under your control, you may tap target permanent.

This spell costs {1} less to cast if you control a Pirate. Counter target spell unless its controller pays {4}.

Changeling (This card is every creature type.) When Littjara Kinseekers enters the battlefield, if you control three or more creatures that share a...

Whenever Library Larcenist attacks, draw a card.

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

Whenever you draw your second card each turn, put a +1/+1 counter on target creature you control. [+1]: Draw a card. [−7]: Creatures you control ca...

Whenever an attacking creature you control dies, Brazen Cannonade deals 2 damage to each opponent. Raid — At the beginning of your postcombat main ...

{S}, {T}: Tap target artifact or creature. ({S} can be paid with one mana from a snow source.)

You may cast Harbinger of the Tides as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.) Wh...