1 Alchemist's Refuge
1 Barkchannel Pathway // Tidechannel Pathway
1 Breeding Pool
1 Castle Vantress
1 Command Tower
1 Dreamroot Cascade
1 Flooded Grove
1 Forest
1 Hinterland Harbor
11 Island
1 Minamo, School at Water's Edge
1 Mosswort Bridge
1 Path of Ancestry
1 Prismatic Vista
1 Rejuvenating Springs
1 Riptide Laboratory
1 Secluded Courtyard
1 Simic Growth Chamber
1 Temple of Mystery
1 Vineglimmer Snarl
1 Waterlogged Grove
1 Yavimaya Coast
1 Yavimaya, Cradle of Growth
1 Aquitect's Will
1 Arcane Signet
1 Beast Within
1 Coat of Arms
1 Cold-Eyed Selkie
1 Coralhelm Commander
1 Cosi's Trickster
1 Cultivate
1 Curse of the Swine
1 Decanter of Endless Water
1 Deepchannel Mentor
1 Deeproot Elite
1 Deeproot Waters
1 Emperor Mihail II
1 Empress Galina
1 Fallowsage
1 Growth Spiral
1 Harbinger of the Tides
1 Hardened Scales
1 Herald of Secret Streams
1 Jadelight Ranger
1 Kindred Discovery
1 Kiora, Master of the Depths
1 Kodama's Reach
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Leech Bonder
1 Lord of Atlantis
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Mistbinder
1 Merfolk Sovereign
1 Merfolk Trickster
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Murkfiend Liege
1 Nature's Lore
1 Prime Speaker Zegana
1 Quest for Renewal
1 Rampant Growth
1 Realmwalker
1 Robe of the Archmagi
1 Sage of Fables
1 Seafloor Oracle
1 Seahunter
1 Seedborn Muse
1 Simic Ascendancy
1 Simic Signet
1 Sol Ring
1 Spreading Seas
1 Stonybrook Banneret
1 Streambed Aquitects
1 Svyelun of Sea and Sky
1 Talisman of Curiosity
1 Tatyova, Benthic Druid
1 Tempest Caller
1 The Ozolith
1 Thieving Skydiver
1 Thought Vessel
1 Tide Shaper
1 Tidebinder Mage
1 Tideshaper Mystic
1 True-Name Nemesis
1 Vodalian Hexcatcher
1 Zegana, Utopian Speaker
Sideboard:
1 Beast
3 Boar
3 Elemental
1 Emblem: Kiora, Master of the Depths
2 Food
2 Merfolk
3 Merfolk
3 Octopus