1 Breeding Pool
1 Castle Vantress
1 Dark Depths
1 Drowned Catacomb
5 Forest
1 Halimar Depths
1 Hinterland Harbor
10 Island
1 Misty Rainforest
1 Morphic Pool
1 Mystic Sanctuary
1 Overgrown Tomb
1 Polluted Delta
1 Rivendell
1 Shipwreck Marsh
1 Sunken Hollow
5 Swamp
1 Verdant Catacombs
1 Watery Grave
1 Zagoth Triome
1 Araumi of the Dead Tide
1 Brinelin, the Moon Kraken
1 Capsize
1 Cazur, Ruthless Stalker
1 Charix, the Raging Isle
1 Chasm Skulker
1 Cold-Eyed Selkie
1 Dandân
1 Decanter of Endless Water
1 Drown in the Loch
1 Eaten by Piranhas
1 Emergent Ultimatum
1 Extract from Darkness
1 Farseek
1 Growth Spiral
1 Gyruda, Doom of Depths
1 High Tide
1 Hullbreaker Horror
1 Imprisoned in the Moon
1 Invasion of Segovia // Caetus, Sea Tyrant of Segovia
1 Kenessos, Priest of Thassa
1 Kiora Bests the Sea God
1 Koma, Cosmos Serpent
1 Lochmere Serpent
1 Murkfiend Liege
1 Mystic Remora
1 Nadir Kraken
1 Negate
1 Ominous Seas
1 Quicksilver Fountain
1 Rhystic Study
1 Sea Monster
1 Shark Typhoon
1 Sivitri Scarzam
1 Spawning Kraken
1 Stormtide Leviathan
1 Talisman of Curiosity
1 Talisman of Dominance
1 Talisman of Resilience
1 Thassa, God of the Sea
1 The Watcher in the Water
1 Tromokratis
1 Ukkima, Stalking Shadow
1 Vohar, Vodalian Desecrator
1 Wrexial, the Risen Deep
1 Xolatoyac, the Smiling Flood
Sideboard:
1 Ikra Shidiqi, the Usurper
1 Thrasios, Triton Hero