Spawning Kraken

Creature — Kraken

Symbiotic Wurm

Creature — Wurm

Kraken Hatchling

Creature — Kraken

Kiora, the Tide's Fury

Legendary Planeswalker — Kiora

Wriggling Grub

Creature — Worm

Worldspine Wurm

Creature — Wurm

Penumbra Wurm

Creature — Wurm

Summon: Leviathan

Enchantment Creature — Saga Leviathan

Fisher's Talent

Enchantment — Class

Great Whale

Creature — Whale

Wormfang Behemoth

Creature — Nightmare Fish Beast

Wurmcoil Engine

Artifact Creature — Phyrexian Wurm

The Watcher in the Water

Legendary Creature — Kraken

Mitotic Slime

Creature — Ooze

Waker of Waves

Creature — Whale

Reservoir Kraken

Creature — Kraken

Pursued Whale

Creature — Whale

Wurmcoil Broodmother

Artifact Creature — Wurm

Wurmcoil Larva

Artifact Creature — Phyrexian Wurm

Whelming Wave

Sorcery

The Crab Queen

Legendary Creature — Crab Human

Nadir Kraken

Creature — Kraken

Kiora's Dambreaker

Creature — Leviathan

Polar Kraken

Creature — Kraken

Scourge of Fleets

Creature — Kraken

Thing from the Deep

Creature — Leviathan

Chasm Skulker

Creature — Squid Horror

Dreamtide Whale

Creature — Whale

Armada Wurm

Creature — Wurm

Tolarian Kraken

Creature — Kraken

Ceti Eel

Creature — Worm