1 Bojuka Bog
1 Choked Estuary
1 Clearwater Pathway // Murkwater Pathway
1 Command Tower
1 Darkwater Catacombs
1 Dimir Aqueduct
1 Drownyard Temple
1 Ice Tunnel
7 Island
1 Mortuary Mire
1 Myriad Landscape
1 Port of Karfell
1 Rogue's Passage
7 Snow-Covered Island
5 Snow-Covered Swamp
1 Sunken Hollow
1 Tainted Isle
1 Temple of Deceit
1 Watery Grave
1 Aethersquall Ancient
1 Amphin Mutineer
1 Ancient Excavation
1 Arcane Signet
1 Bident of Thassa
1 Champion of Wits
1 Counterspell
1 Crush of Tentacles
1 Deep-Sea Kraken
1 Dimir Signet
1 Dowsing Dagger // Lost Vale
1 Dreamscape Artist
1 Emry, Lurker of the Loch
1 Fact or Fiction
1 Feed the Swarm
1 Fierce Guardianship
1 Final Parting
1 Glasspool Mimic // Glasspool Shore
1 Gyruda, Doom of Depths
1 Hullbreaker Horror
1 Invasion of Segovia // Caetus, Sea Tyrant of Segovia
1 Junk Winder
1 Keen Duelist
1 Lochmere Serpent
1 Malakir Rebirth // Malakir Mire
1 Mana Drain
1 Marvo, Deep Operative
1 Mind Stone
1 Persist
1 Phyrexian Metamorph
1 Quest for Ula's Temple
1 Quicksilver Amulet
1 Reanimate
1 Runo Stromkirk // Krothuss, Lord of the Deep
1 Sakashima of a Thousand Faces
1 Scourge of Fleets
1 Scroll Rack
1 Sea-Dasher Octopus
1 Serpent of Yawning Depths
1 Sinister Starfish
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Spark Double
1 Spawning Kraken
1 Stormsurge Kraken
1 Stormtide Leviathan
1 Striped Riverwinder
1 Sublime Epiphany
1 Swiftfoot Boots
1 Sword of Hearth and Home
1 Sword of the Animist
1 Talisman of Dominance
1 Thassa, God of the Sea
1 Tidal Terror
1 Unmarked Grave
1 Vile Entomber
1 Waker of Waves
1 Wayfarer's Bauble
1 Whelming Wave
1 Whip of Erebos
1 Whispering Madness
1 Windfall
1 Wonder
1 Wrexial, the Risen Deep
1 Young Necromancer
Sideboard:
1 Nadir Kraken
1 Noxious Gearhulk