1 Alchemist's Refuge
1 Ancient Ziggurat
1 Barkchannel Pathway // Tidechannel Pathway
1 Command Tower
1 Flooded Grove
7 Forest
1 Hinterland Harbor
15 Island
1 Rejuvenating Springs
1 Reliquary Tower
1 Simic Growth Chamber
1 Unclaimed Territory
1 Waterlogged Grove
1 Arcane Denial
1 Beast Within
1 Bident of Thassa
1 Brainstorm
1 Cold-Eyed Selkie
1 Counterspell
1 Court of Garenbrig
1 Cryptic Command
1 Cultivate
1 Deeproot Elite
1 Deeproot Waters
1 Disallow
1 Emperor Mihail II
1 Empress Galina
1 Eternal Witness
1 Forerunner of the Heralds
1 Helm of the Host
1 Herald of Secret Streams
1 Herald's Horn
1 Icy Manipulator
1 Kindred Discovery
1 Kiora's Follower
1 Kodama's Reach
1 Kopala, Warden of Waves
1 Krosan Grip
1 Kumena, Tyrant of Orazca
1 Lord of Atlantis
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Mistbinder
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Reejerey
1 Mirror Gallery
1 Murkfiend Liege
1 Mystic Genesis
1 Mystical Tutor
1 Nanogene Conversion
1 Opt
1 Preordain
1 Progenitor Mimic
1 Rapid Hybridization
1 Reality Shift
1 Reflections of Littjara
1 Rite of Replication
1 Rootwater Thief
1 Sakashima the Impostor
1 Seahunter
1 Serum Visions
1 Simic Signet
1 Sol Ring
1 Stoneforge Masterwork
1 Stonybrook Banneret
1 Svyelun of Sea and Sky
1 Swiftfoot Boots
1 Talrand, Sky Summoner
1 Tempest Caller
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Thassa's Intervention
1 Time Warp
1 Triton Shorestalker
1 True-Name Nemesis
1 Vanquisher's Banner
1 Voidslime
1 Worldly Tutor
Sideboard:
1 Elusive Otter // Grove's Bounty
1 Evacuation
1 Omniscience
1 Reef Shaman
1 Seafloor Oracle
1 Spectral Deluge