1 Bad River
1 Command Tower
1 Dimir Aqueduct
1 Drownyard Temple
1 Echoing Deeps
1 Fabled Passage
1 Gloomlake Verge
1 Halimar Depths
6 Island
1 Morphic Pool
1 Mystic Sanctuary
1 Otawara, Soaring City
1 Polluted Delta
1 Prismatic Vista
1 Sunken Hollow
1 Susur Secundi, Void Altar
5 Swamp
1 Three Tree City
1 Undercity Sewers
1 Urza's Cave
1 Volrath's Stronghold
1 Watery Grave
1 Witch's Cottage
1 Arcane Signet
1 Benthic Anomaly
1 Case of the Shifting Visage
1 Cephalid Inkmage
1 Charnel Serenade
1 Deep-Sea Kraken
1 Dimir Signet
1 Fell the Profane // Fell Mire
1 Flusterstorm
1 Glasspool Mimic // Glasspool Shore
1 Grappling Kraken
1 Great Whale
1 Gyruda, Doom of Depths
1 Haunting Voyage
1 Hullbreaker Horror
1 Hydroelectric Specimen // Hydroelectric Laboratory
1 Inkwell Leviathan
1 Kederekt Leviathan
1 Likeness Looter
1 Mana Drain
1 March of Swirling Mist
1 Marvo, Deep Operative
1 Metamorphosis Fanatic
1 Monstrosity of the Lake
1 Mystic Reflection
1 Mystic Remora
1 Ominous Seas
1 Palantír of Orthanc
1 Parker Luck
1 Persist
1 Peter Parker's Camera
1 Quest for Ula's Temple
1 Reservoir Kraken
1 Restart Sequence
1 Runo Stromkirk // Krothuss, Lord of the Deep
1 Sapphire Medallion
1 Scattering Stroke
1 Scourge of Fleets
1 Scroll Rack
1 Sea Gate Restoration // Sea Gate, Reborn
1 Sea Scryer
1 Sea-Dasher Octopus
1 Search for Azcanta // Azcanta, the Sunken Ruin
1 Serpent of Yawning Depths
1 Shipbreaker Kraken
1 Sinister Starfish
1 Sink into Stupor // Soporific Springs
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Spawning Kraken
1 Starwinder
1 Stitch Together
1 Stormsurge Kraken
1 Stormtide Leviathan
1 Stubborn Denial
1 Submerge
1 Summon: Leviathan
1 Sword of Hearth and Home
1 Talisman of Dominance
1 The Grim Captain's Locker
1 The Soul Stone
1 The Unagi of Kyoshi Island
1 Titan of Littjara
1 Trench Behemoth
1 Tromokratis
1 Twilight Diviner
1 Whelming Wave
1 Wrexial, the Risen Deep

Sideboard:

1 Araumi of the Dead Tide
1 Illicit Masquerade
1 Junk Winder
1 Lochmere Serpent
1 Mesmerizing Benthid
1 No One Left Behind
1 Obsessive Stitcher
1 Purple Pentapus
1 Research the Deep
1 Sword Coast Serpent // Capsizing Wave
1 Wash Away
1 Whispering Madness
1 Writ of Return