Cephalid Constable

Creature — Octopus Wizard

Aboshan, Cephalid Emperor

Legendary Creature — Octopus Noble

Breaching Leviathan

Creature — Leviathan

Cephalid Retainer

Creature — Octopus

Inundate

Sorcery

Kefnet's Monument

Legendary Artifact

Scourge of Fleets

Creature — Kraken

Denizen of the Deep

Creature — Serpent

Empress Galina

Legendary Creature — Merfolk Noble

Cephalid Pathmage

Creature — Octopus Wizard

Waker of Waves

Creature — Whale

Iceridge Serpent

Creature — Serpent

Fylamarid

Creature — Squid Beast

Spellbane Centaur

Creature — Centaur

Cerulean Wisps

Instant

Lavinia, Azorius Renegade

Legendary Creature — Human Soldier

Callaphe, Beloved of the Sea

Legendary Enchantment Creature — Demigod

Thelon's Curse

Enchantment

Circu, Dimir Lobotomist

Legendary Creature — Human Wizard

Callous Oppressor

Creature — Octopus

Cephalid Aristocrat

Creature — Octopus Noble

Serpent of Yawning Depths

Enchantment Creature — Serpent

Tempest Caller

Creature — Merfolk Wizard

Deepchannel Mentor

Creature — Merfolk Rogue

Whelming Wave

Sorcery

Thassa's Oracle

Creature — Merfolk Wizard

Imposing Sovereign

Creature — Human Noble

Lullmage Mentor

Creature — Merfolk Wizard

Bigfin Bouncer

Creature — Shark Pirate

Gather Specimens

Instant

Cephalid Snitch

Creature — Octopus Wizard