1 Ancient Tomb
1 Bojuka Bog
1 Choked Estuary
1 Clearwater Pathway // Murkwater Pathway
1 Command Tower
1 Drowned Catacomb
1 Gloomlake Verge
1 Halimar Depths
8 Island
1 Morphic Pool
1 Polluted Delta
1 Shipwreck Marsh
1 Sunken Hollow
9 Swamp
1 Temple of Deceit
1 Undercity Sewers
1 Underground River
1 Underground Sea
1 Urborg, Tomb of Yawgmoth
1 Watery Grave
1 Animate Dead
1 Arcane Signet
1 Brainstorm
1 Brinelin, the Moon Kraken
1 Buried Alive
1 Counterspell
1 Cyclonic Rift
1 Deep-Sea Kraken
1 Dimir Signet
1 Entomb
1 Feed the Swarm
1 Fierce Guardianship
1 Frantic Search
1 Gyruda, Doom of Depths
1 Hullbreaker Horror
1 Icebreaker Kraken
1 Inkwell Leviathan
1 Junk Winder
1 Kiora Bests the Sea God
1 Kozilek's Unsealing
1 Lightning Greaves
1 Lochmere Serpent
1 Mana Drain
1 Marvo, Deep Operative
1 Mind Stone
1 Mirror Box
1 Monstrosity of the Lake
1 Nadir Kraken
1 Negate
1 Ominous Seas
1 Otherworldly Gaze
1 Persist
1 Ponder
1 Pongify
1 Quest for Ula's Temple
1 Quicksilver Amulet
1 Reanimate
1 Reservoir Kraken
1 Rhystic Study
1 Runo Stromkirk // Krothuss, Lord of the Deep
1 Scourge of Fleets
1 Sea-Dasher Octopus
1 Sensei's Divining Top
1 Serpent of Yawning Depths
1 Shipbreaker Kraken
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Spawning Kraken
1 Starwinder
1 Stormsurge Kraken
1 Stormtide Leviathan
1 Striped Riverwinder
1 Summon: Leviathan
1 Swiftfoot Boots
1 Talisman of Dominance
1 The Soul Stone
1 Tidal Terror
1 Trench Behemoth
1 Tromokratis
1 Unmarked Grave
1 Vampiric Tutor
1 Victimize
1 Whelming Wave
1 Wonder
1 Wrexial, the Risen Deep
Sideboard: