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.

Rewind

Counter target spell. Untap up to four lands.

Gilded Lotus

Drag Under

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

Divination

Thought Collapse

Counter target spell. Its controller mills three cards.

Spinning Wheel

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

Cancel

Island

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.

Seafloor Oracle

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