1 Barkchannel Pathway // Tidechannel Pathway
1 Command Tower
1 Dark Depths
1 Darkslick Shores
1 Drowned Catacomb
1 Evolving Wilds
1 Flooded Strand
5 Forest
1 Halimar Depths
1 Hinterland Harbor
7 Island
1 Jwar Isle Refuge
1 Polluted Delta
1 Reliquary Tower
1 Restless Reef
1 Shipwreck Marsh
1 Submerged Boneyard
1 Sunken Ruins
5 Swamp
1 Temple of Mystery
1 Thriving Isle
1 Watery Grave
1 Yavimaya Coast
1 Aesi, Tyrant of Gyre Strait
1 Amphin Mutineer
1 Araumi of the Dead Tide
1 Arcane Signet
1 Arixmethes, Slumbering Isle
1 Bident of Thassa
1 Birds of Paradise
1 Brinelin, the Moon Kraken
1 Chasm Skulker
1 Colossal Whale
1 Consuming Tide
1 Deepchannel Mentor
1 Defabricate
1 Dimir Signet
1 Fathom Mage
1 Gyruda, Doom of Depths
1 Hostage Taker
1 Hullbreaker Horror
1 Kiora Bests the Sea God
1 Kiora, Behemoth Beckoner
1 Kiora, Master of the Depths
1 Kiora, Sovereign of the Deep
1 Kiora, the Rising Tide
1 Kiora's Follower
1 Koma, Cosmos Serpent
1 Koma, World-Eater
1 Man-o'-War
1 Marvo, Deep Operative
1 Master of Waves
1 Mesmerizing Benthid
1 Mystic Reflection
1 Mystic Remora
1 Nadir Kraken
1 Negate
1 Ominous Seas
1 Pongify
1 Prime Speaker Zegana
1 Quest for Ula's Temple
1 Reef Worm
1 Reservoir Kraken
1 Retreat to Coralhelm
1 Rite of Replication
1 Runo Stromkirk // Krothuss, Lord of the Deep
1 Sapphire Medallion
1 Sea Scryer
1 Serpent of Yawning Depths
1 Sharktocrab
1 Sigiled Starfish
1 Simic Signet
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Spawning Kraken
1 Thassa, God of the Sea
1 The Watcher in the Water
1 Thing in the Ice // Awoken Horror
1 Tidal Barracuda
1 Tideforce Elemental
1 Tolarian Kraken
1 Vraska, Relic Seeker
1 Vraska's Contempt
1 Walk the Plank
1 Wash Away
1 Whelming Wave
1 Xavier Sal, Infested Captain
1 Xolatoyac, the Smiling Flood
Sideboard: