1 Command Tower
1 Dark Depths
18 Island
1 Nykthos, Shrine to Nyx
1 Reliquary Tower
1 Restless Reef
1 Rivendell
1 Shipwreck Marsh
8 Swamp
1 Temple of the False God
1 Thespian's Stage
1 Arcane Signet
1 Benthic Anomaly
1 Black Sun's Twilight
1 Breaching Leviathan
1 Charix, the Raging Isle
1 Coiling Rebirth
1 Dark Ritual
1 Deep-Sea Kraken
1 Drown in the Loch
1 Fellwar Stone
1 Fleet Swallower
1 Gilded Lotus
1 Gyruda, Doom of Depths
1 Helm of the Host
1 High Tide
1 Hullbreaker Horror
1 Inkwell Leviathan
1 Invasion of Segovia // Caetus, Sea Tyrant of Segovia
1 Kiora Bests the Sea God
1 Kiora, the Rising Tide
1 Kraken of the Straits
1 Lorthos, the Tidemaker
1 Marvo, Deep Operative
1 Mesmerizing Benthid
1 Metamorphosis Fanatic
1 Mirror Box
1 Monstrosity of the Lake
1 Nadir Kraken
1 Nemesis of Reason
1 Nezahal, Primal Tide
1 Octopus Umbra
1 Quest for Ula's Temple
1 Quicksilver Amulet
1 Reef Worm
1 Reflections of Littjara
1 Restart Sequence
1 Roaming Throne
1 Runo Stromkirk // Krothuss, Lord of the Deep
1 Sakashima of a Thousand Faces
1 Satoru Umezawa
1 Scourge of Fleets
1 Serpent of Yawning Depths
1 Shipbreaker Kraken
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Spark Double
1 Spawning Kraken
1 Stormtide Leviathan
1 Summon: Leviathan
1 Swiftfoot Boots
1 Thassa, God of the Sea
1 The Everflowing Well // The Myriad Pools
1 The Watcher in the Water
1 Thirst for Discovery
1 Thran Dynamo
1 Thryx, the Sudden Storm
1 Trench Behemoth
1 Tromokratis
1 Vesuvan Drifter
1 Victimize
1 Virtue of Persistence // Locthwain Scorn
1 Whelming Wave
1 Worn Powerstone
1 Wrexial, the Risen Deep
Sideboard: