1 Arcane Lighthouse
1 Cephalid Coliseum
1 Coral Atoll
1 Ghost Quarter
1 Halimar Depths
22 Island
1 Lonely Sandbar
1 Minamo, School at Water's Edge
1 Myriad Landscape
1 Mystic Sanctuary
1 Nykthos, Shrine to Nyx
1 Reliquary Tower
1 Remote Isle
1 Skyline Cascade
1 Temple of the False God
1 Aboleth Spawn
1 Aboshan, Cephalid Emperor
1 Bident of Thassa
1 Bronze Walrus
1 Callaphe, Beloved of the Sea
1 Cephalid Facetaker
1 Chasm Skulker
1 Chrome Host Seedshark
1 Chromeshell Crab
1 Coastal Breach
1 Consuming Tide
1 Crush of Tentacles
1 Decanter of Endless Water
1 Devastation Tide
1 Disrupting Shoal
1 Drawn from Dreams
1 Empress Galina
1 Engulf the Shore
1 Expedition Map
1 Filter Out
1 Flood of Tears
1 Gilded Lotus
1 Great Whale
1 Guard Gomazoa
1 Gush
1 High Tide
1 Hullbreaker Horror
1 Ichthyomorphosis
1 Into the Roil
1 Invasion of Segovia // Caetus, Sea Tyrant of Segovia
1 Kederekt Leviathan
1 Leyline of Anticipation
1 Lorthos, the Tidemaker
1 Maeve, Insidious Singer
1 Man-o'-War
1 Mulldrifter
1 Mystic Reflection
1 Mystic Remora
1 Nadir Kraken
1 Nautiloid Ship
1 Nezahal, Primal Tide
1 Ominous Seas
1 Pouncing Shoreshark
1 Sapphire Medallion
1 Scent of Brine
1 Sea Gate Restoration // Sea Gate, Reborn
1 Sea-Dasher Octopus
1 Shark Typhoon
1 Sky Diamond
1 Submerge
1 Subtlety
1 Thada Adel, Acquisitor
1 Thassa, Deep-Dwelling
1 Thassa, God of the Sea
1 Thassa's Intervention
1 Thassa's Oracle
1 Thassa's Rebuff
1 The Reality Chip
1 Thought Sponge
1 Time Warp
1 Treasure Cruise
1 Voracious Greatshark
1 Wash Away
1 Whelming Wave
Sideboard:
1 Breaking Wave
1 Dark Depths
1 Deep-Sea Kraken
1 Displacement Wave
1 Dive Down
1 Domineering Will
1 Dragon Wings
1 Draining Whelk
1 Eel Umbra
1 Ethereal Forager
1 Giant Oyster
1 Kiora Bests the Sea God
1 Mesmerizing Benthid
1 Mysteries of the Deep
1 Mystic Confluence
1 Naiad of Hidden Coves
1 Octavia, Living Thesis
1 Overwhelming Denial
1 Polymorphist's Jest
1 Pull from the Deep
1 Quest for Ula's Temple
1 Riptide Shapeshifter
1 Rite of Replication
1 Sand Squid
1 Scatter to the Winds
1 Scourge of Fleets
1 Sea God's Scorn
1 Sea Scryer
1 Seasinger
1 Serpent of Yawning Depths
1 Shipbreaker Kraken
1 Siren Stormtamer
1 Slinn Voda, the Rising Deep
1 Spreading Seas
1 Stormsurge Kraken
1 Stormtide Leviathan
1 Submerge
1 Tempt with Reflections
1 Tidal Barracuda
1 Tromokratis
1 Waterknot