1 Cavern of Souls
1 Halimar Depths
33 Island
1 Nykthos, Shrine to Nyx
1 Temple of the False God
1 Aetherspouts
1 Benthic Behemoth
1 Bident of Thassa
1 Breaking Wave
1 Brine Elemental
1 Caged Sun
1 Capsize
1 Chasm Skulker
1 Chromeshell Crab
1 Colossal Whale
1 Coralhelm Commander
1 Cryptic Command
1 Cyclonic Rift
1 Deadeye Navigator
1 Deep-Sea Kraken
1 Empress Galina
1 Floodgate
1 Great Whale
1 Harbor Serpent
1 High Tide
1 Inkwell Leviathan
1 Inundate
1 Keiga, the Tide Star
1 Kraken of the Straits
1 Lord of Atlantis
1 Lorthos, the Tidemaker
1 Man-o'-War
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Sovereign
1 Merrow Reejerey
1 Mind Spring
1 Mulldrifter
1 Mystic Remora
1 Pearl Lake Ancient
1 Ponder
1 Pull from the Deep
1 Riptide Shapeshifter
1 Scourge of Fleets
1 Sea Scryer
1 Sealock Monster
1 Sensei's Divining Top
1 Shipbreaker Kraken
1 Sol Ring
1 Spreading Seas
1 Stormtide Leviathan
1 Stubborn Denial
1 Submerge
1 Sun Quan, Lord of Wu
1 Surgespanner
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Thassa's Rebuff
1 Tidal Kraken
1 Tidespout Tyrant
1 Trench Gorger
1 Tromokratis
1 Vedalken Shackles
1 Vortex Elemental
1 Wake Thrasher
1 Walking Sponge
1 Wash Out
1 Whelming Wave
Sideboard:
1 Deepchannel Mentor
1 Ghost Ship
1 Island
1 Minamo, School at Water's Edge
1 Old Man of the Sea
1 Pirate Ship