1 Coral Atoll
3 Halimar Depths
18 Island
1 Sand Silos
1 Aquitect's Will
3 Arcane Adaptation
1 Colossal Whale
1 Crush of Tentacles
1 Dandân
1 Deeproot Waters
1 Fylamarid
1 Giant Octopus
1 High Tide
1 Inkwell Leviathan
1 Kopala, Warden of Waves
1 Lorthos, the Tidemaker
1 Master of the Pearl Trident
1 Merfolk Sovereign
1 Merrow Commerce
3 Merrow Harbinger
3 Quest for Ula's Temple
1 Reef Shaman
1 Reef Worm
1 Sand Squid
1 Saprazzan Heir
1 Seafloor Oracle
1 Seasinger
1 Silvergill Douser
1 Slinn Voda, the Rising Deep
1 Spreading Seas
1 Stonybrook Banneret
1 Stormtide Leviathan
1 Streambed Aquitects
1 Tidal Warrior
1 Whelming Wave
Sideboard:
1 Benthic Behemoth
1 Coral Barrier
1 Deep-Sea Kraken
1 Enclave Elite
1 Engulf the Shore
1 Fleet Swallower
1 Great Whale
1 Harbinger of the Tides
1 High Seas
1 Kiora, Master of the Depths
1 Kraken of the Straits
1 Master of Waves
1 Narwhal
1 Research the Deep
1 Rite of Replication
1 Rootwater Commando
1 Sea's Claim
1 Seafloor Debris
1 Sealock Monster
1 Shipbreaker Kraken
1 Simic Guildgate
1 Tempest Caller
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Tidal Courier