Cancel

Drag Under

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

Seafloor Oracle

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

Merfolk Trickster

Flash
When Merfolk Trickster enters, tap target creature an opponent controls. It loses all abilities until end of turn.

Library Larcenist

Whenever Library Larcenist attacks, draw a card.

Divination

Thought Collapse

Counter target spell. Its controller mills three cards.

Slinn Voda, the Rising Deep

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
When Slinn Voda, the Rising Deep enters, if it was kicked, return all creatures to their owners' hands except for Merfolk, Krakens, Leviathans, Octopuses, and Serpents.

Island

Spinning Wheel

{T}: Add one mana of any color.
{5}, {T}: Tap target creature.

Rewind

Counter target spell. Untap up to four lands.