1 Coral Atoll
32 Island
1 Nykthos, Shrine to Nyx
1 Rogue's Passage
1 Skyline Cascade
1 Aethertide Whale
1 Aqueous Form
1 Benthic Behemoth
1 Bident of Thassa
1 Blight Sickle
1 Call to the Kindred
1 Chariot of Victory
1 Chitinous Cloak
1 Control Magic
1 Dakra Mystic
1 Deep Freeze
1 Deep-Sea Kraken
1 Deepchannel Mentor
1 Dream Thrush
1 Engulf the Shore
1 Fleetfeather Sandals
1 Flitterstep Eidolon
1 Floodtide Serpent
1 Gilded Lotus
1 Gorgon's Head
1 Hullbreaker Horror
1 Icy Blast
1 Imprisoned in the Moon
1 Inkwell Leviathan
1 Karn's Temporal Sundering
1 Kefnet's Monument
1 Kiora Bests the Sea God
1 Kraken Hatchling
1 Kraken of the Straits
1 Kumena's Awakening
1 Merfolk Trickster
1 Merrow Witsniper
1 Nadir Kraken
1 Nyxborn Triton
1 Opt
1 Phantasmal Terrain
1 Planar Bridge
1 Polymorphous Rush
1 Ponder
1 Prism Ring
1 Prowler's Helm
1 Quest for Ula's Temple
1 Quicksilver Amulet
1 Sapphire Medallion
1 Scourge of Fleets
1 Shrouded Serpent
1 Sigiled Starfish
1 Slinn Voda, the Rising Deep
1 Sliptide Serpent
1 Sol Ring
1 Spellbook
1 Spreading Seas
1 Staff of the Mind Magus
1 Stormsurge Kraken
1 Stormtide Leviathan
1 Thassa's Oracle
1 Thryx, the Sudden Storm
1 Trailblazer's Boots
1 Tromokratis
1 Vorrac Battlehorns
1 Walking Atlas
1 Whelming Wave
1 Whir of Invention
1 Xenograft
Sideboard: