Drelnoch

Creature — Yeti Mutant

Nadir Kraken

Creature — Kraken

Hermitic Nautilus

Artifact Creature — Nautilus

Saprazzan Heir

Creature — Merfolk

Chasm Skulker

Creature — Squid Horror

Nessian Boar

Creature — Boar

Tome Anima

Creature — Spirit

Tolarian Kraken

Creature — Kraken

Enter the Enigma

Sorcery

Open into Wonder

Sorcery

Cephalid Inkshrouder

Creature — Octopus

Deepfathom Skulker

Creature — Eldrazi

Crystalline Nautilus

Enchantment Creature — Nautilus

Lorescale Coatl

Creature — Snake

Revel Ruiner

Creature — Octopus Rogue

Surge Mare

Creature — Horse Fish

Slith Strider

Creature — Slith

Fallowsage

Creature — Merfolk Wizard

Psychic Membrane

Creature — Wall

Cephalid Pathmage

Creature — Octopus Wizard

Illvoi Infiltrator

Creature — Jellyfish Rogue

Cephalid Aristocrat

Creature — Octopus Noble

Phantasmal Shieldback

Creature — Turtle Illusion

Cephalid Looter

Creature — Octopus Rogue

Oneirophage

Creature — Squid Illusion

Ashiok's Skulker

Creature — Nightmare

Merfolk Pupil

Creature — Merfolk Wizard

Vodalian Merchant

Creature — Merfolk

Irresistible Prey

Sorcery

Shoal Kraken

Creature — Kraken

Mer Man

Host Creature — Human Fish