1 Choked Estuary
1 Command Tower
1 Drowned Catacomb
1 Evolving Wilds
1 Exotic Orchard
15 Island
1 Sunken Hollow
10 Swamp
1 Tainted Isle
1 Temple of Deceit
1 Terramorphic Expanse
1 Underground River
1 Watery Grave
1 Arcane Denial
1 Arcane Signet
1 Archaeomancer
1 Back from the Brink
1 Brinelin, the Moon Kraken
1 Clever Impersonator
1 Clone
1 Copycrook
1 Counterspell
1 Dark Ritual
1 Deep-Sea Kraken
1 Depart the Realm
1 Diabolic Tutor
1 Dimir Signet
1 Dispel
1 Dive Down
1 Dread Return
1 Engulf the Shore
1 Essence Flux
1 Ever After
1 Extract from Darkness
1 Fact or Fiction
1 Feed the Swarm
1 Fellwar Stone
1 Fleet Swallower
1 Flood of Tears
1 Gigantoplasm
1 Glasspool Mimic // Glasspool Shore
1 Gyruda, Doom of Depths
1 Hullbreaker Horror
1 Icebreaker Kraken
1 Incarnation Technique
1 Inkwell Leviathan
1 Lochmere Serpent
1 Mind Stone
1 Mirrorhall Mimic // Ghastly Mimicry
1 Naga Fleshcrafter
1 Negate
1 Nightmare Shepherd
1 Opt
1 Overwhelming Denial
1 Persist
1 Reanimate
1 Repulse
1 Runo Stromkirk // Krothuss, Lord of the Deep
1 Sculpting Steel
1 Self-Reflection
1 Shell Shield
1 Shipbreaker Kraken
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Supernatural Stamina
1 Supplant Form
1 Talisman of Dominance
1 Thassa's Oracle
1 Treasure Cruise
1 Undercover Operative
1 Unsummon
1 Vesuvan Shapeshifter
1 Victimize
1 Vizier of Many Faces
1 Wall of Stolen Identity
1 Waxen Shapethief
1 Whelming Wave
Sideboard:
1 Arrester's Admonition
1 Boomerang
1 Charix, the Raging Isle
1 Clutch of Currents
1 Connive // Concoct
1 Depths of Desire
1 Dig Through Time
1 Dinrova Horror
1 Discerning Taste
1 Drag Under
1 Drowned Secrets
1 Harbor Serpent
1 Just the Wind
1 Myojin of Cryptic Dreams
1 Myojin of Grim Betrayal
1 Neutralize
1 Polymorphous Rush
1 Puppeteer Clique
1 Regress
1 Scourge of Fleets
1 Snap
1 Spell Pierce
1 Sphinx of Magosi
1 Strionic Resonator
1 The Ancient One
1 Thought Erasure
1 Unexplained Disappearance
1 Vapor Snag
1 Wail of the Forgotten