Floodtide Serpent

Creature — Serpent

Cephalid Retainer

Creature — Octopus

Backstreet Bruiser

Creature — Octopus Rogue

Steelclad Spirit

Creature — Spirit

Serpent of Yawning Depths

Enchantment Creature — Serpent

Octopus Umbra

Enchantment — Aura

Cephalid Pathmage

Creature — Octopus Wizard

Stalked Researcher

Creature — Human Wizard

Aboshan, Cephalid Emperor

Legendary Creature — Octopus Noble

Whimwader

Creature — Elemental

Sea Monster

Creature — Serpent

Deep-Sea Serpent

Creature — Serpent

Steelclad Serpent

Artifact Creature — Serpent

Giant Octopus

Creature — Octopus

Cephalid Inkshrouder

Creature — Octopus

Silburlind Snapper

Creature — Turtle

Utopia Vow

Enchantment — Aura

Teferi's Moat

Enchantment

Angler Turtle

Creature — Turtle

Hightide Hermit

Creature — Crab

Shrouded Serpent

Creature — Serpent

Clammy Prowler

Enchantment Creature — Horror

Skyclave Squid

Creature — Squid

Scrapdiver Serpent

Creature — Serpent

Sphere of Safety

Enchantment

Tidal Terror

Creature — Octopus

Cowed by Wisdom

Enchantment — Aura

Arachnus Web

Enchantment — Aura

Detained by Legionnaires

Enchantment — Aura

Arboria

World Enchantment

Sealock Monster

Creature — Octopus