1 Acquisition Octopus
1 Archipelagore
1 Biblioplex Kraken
1 Biolume Egg // Biolume Serpent
1 Brinelin, the Moon Kraken
1 Bubble Smuggler
1 Cephalid Inkmage
1 Charix, the Raging Isle
1 Cryptic Serpent
1 Deep-Sea Terror
1 Grappling Kraken
1 Gyruda, Doom of Depths
1 Harbor Serpent
1 Hullbreaker Horror
1 Icebreaker Kraken
1 Iceridge Serpent
1 Invasion of Segovia // Caetus, Sea Tyrant of Segovia
1 Marvo, Deep Operative
1 Nadir Kraken
1 Nemesis of Reason
1 Octavia, Living Thesis
1 Octoprophet
1 Ominous Seas
1 Reef Worm
1 Rot-Tide Gargantua
1 Runo Stromkirk // Krothuss, Lord of the Deep
1 Scourge of Fleets
1 Scrapdiver Serpent
1 Serpentine Ambush
1 Stormsurge Kraken
1 Sword Coast Serpent // Capsizing Wave
1 Tidal Terror
1 Tolarian Kraken
1 Tolarian Terror
1 Tromokratis
1 Veiled Serpent
1 Whelming Wave
1 Wormhole Serpent
Sideboard:
1 Amoeboid Changeling
1 Barkform Harvester
1 Birthing Boughs
1 Black Market Connections
1 Changeling Outcast
1 Graveshifter
1 Guardian Gladewalker
1 Littjara Glade-Warden
1 Littjara Kinseekers
1 Masked Vandal
1 Maskwood Nexus
1 Mistwalker
1 Morophon, the Boundless
1 Nameless Inversion
1 Realmwalker
1 Three Tree Mascot
1 Universal Automaton