1 Command Tower
6 Forest
1 Hinterland Harbor
17 Island
1 Lonely Sandbar
1 Myriad Landscape
1 Rogue's Passage
1 Simic Growth Chamber
1 Simic Guildgate
1 Temple of Mystery
1 Thornwood Falls
1 Tranquil Thicket
1 Transguild Promenade
1 Unknown Shores
1 Woodland Stream
1 Aquitect's Will
1 Arcane Signet
1 Bident of Thassa
1 Counterspell
1 Cursecatcher
1 Deepchannel Mentor
1 Deeproot Champion
1 Deeproot Warrior
1 Deeproot Waters
1 Dive Down
1 Forerunner of the Heralds
1 Giltgrove Stalker
1 Growth Spiral
1 Herald of Secret Streams
1 Jade Bearer
1 Jade Guardian
1 Jadelight Ranger
1 Kiora, the Crashing Wave
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Kumena's Speaker
1 Lord of Atlantis
1 Mana Leak
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Branchwalker
1 Merfolk Mistbinder
1 Merfolk Skydiver
1 Merfolk Sovereign
1 Merfolk Wayfinder
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Merrow Witsniper
1 Mist-Cloaked Herald
1 Naturalize
1 Negate
1 Pillar of Origins
1 Prime Speaker Zegana
1 Quench
1 River Heralds' Boon
1 River Sneak
1 River's Rebuke
1 Scourge of Fleets
1 Sea Scryer
1 Seafloor Oracle
1 Shaper Apprentice
1 Shapers of Nature
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Spell Pierce
1 Stonybrook Banneret
1 Storm Sculptor
1 Streambed Aquitects
1 Svyelun of Sea and Sky
1 Swift Warden
1 Tatyova, Benthic Druid
1 Tempest Caller
1 Thassa, God of the Sea
1 Thassa's Rebuff
1 Tishana, Voice of Thunder
1 Towering-Wave Mystic
1 Vineshaper Mystic
1 Vorel of the Hull Clade
Sideboard:
1 Aquatic Incursion
1 Benthic Biomancer
1 Brineborn Cutthroat
1 Chilling Trap
1 Cleric of Chill Depths
1 Combine Guildmage
1 Crashing Tide
1 Forced Adaptation
1 Jadecraft Artisan
1 Jungle Delver
1 Jungleborn Pioneer
1 Kiora's Follower
1 Merfolk Secretkeeper // Venture Deeper
1 Merfolk Windrobber
1 Murkfiend Liege
1 Retreat to Coralhelm
1 Sea Scryer
1 Shapers' Sanctuary
1 Silvergill Adept
1 Thassa's Ire
1 Thassa's Oracle
1 Triton Shorestalker
1 Umara Wizard // Umara Skyfalls