1 Blast Zone
1 Dark Depths
1 Glacial Chasm
1 Halls of Mist
33 Island
1 Mystic Sanctuary
1 Thawing Glaciers
1 Vivid Creek
1 Aetherspouts
1 Arcane Denial
1 Archmage's Charm
1 Benthic Biomancer
1 Capsize
1 Cauldron of Souls
1 Chisei, Heart of Oceans
1 Chronozoa
1 Clockspinning
1 Colossal Whale
1 Counterspell
1 Cryptic Command
1 Deep Analysis
1 Deep-Sea Kraken
1 Deepchannel Mentor
1 Deepglow Skate
1 Delay
1 Deprive
1 Draining Whelk
1 Elder Deep-Fiend
1 Engulf the Shore
1 Epochrasite
1 Everflowing Chalice
1 Ferropede
1 Ghostly Flicker
1 Inexorable Tide
1 Into the Roil
1 Kederekt Leviathan
1 Kiora Bests the Sea God
1 Kira, Great Glass-Spinner
1 Man-o'-War
1 Mulldrifter
1 Mystic Remora
1 Negate
1 Nezahal, Primal Tide
1 Omen of the Sea
1 Ominous Seas
1 Paradox Haze
1 Power Conduit
1 Quicksilver Fountain
1 Rapid Hybridization
1 Reality Acid
1 Reconnaissance Mission
1 Research the Deep
1 River Kelpie
1 Rootwater Thief
1 Scourge of Fleets
1 Serpent of Yawning Depths
1 Slinn Voda, the Rising Deep
1 Stormsurge Kraken
1 Stormtide Leviathan
1 Surrakar Spellblade
1 The Mirari Conjecture
1 Tidal Influence
1 Time of Ice
1 Unstable Mutation
1 Unsubstantiate
1 Voracious Greatshark
1 Whelming Wave
1 Whirlwind Denial
Sideboard:
1 Cyclonic Rift
1 Decree of Silence
1 Gemstone Mine
1 Karn's Bastion
1 Mage-Ring Network
1 Medomai's Prophecy
1 Nadir Kraken
1 Octavia, Living Thesis
1 Reef Worm
1 Strionic Resonator
1 Thing in the Ice // Awoken Horror