1 Alchemist's Refuge
1 Barkchannel Pathway // Tidechannel Pathway
1 Breeding Pool
1 Command Tower
1 Evolving Wilds
1 Fabled Passage
6 Forest
1 Halimar Depths
17 Island
1 Mystic Sanctuary
1 Reliquary Tower
1 Simic Growth Chamber
1 Temple of Mystery
1 Vineglimmer Snarl
1 Yavimaya Coast
1 Aquitect's Will
1 Arcane Signet
1 Chasm Skulker
1 Cold-Eyed Selkie
1 Consuming Tide
1 Counterspell
1 Deepglow Skate
1 Deeproot Elite
1 Draining Whelk
1 Engulf the Shore
1 Entrancing Melody
1 Essence Scatter
1 Fallowsage
1 Growth Spiral
1 Hadana's Climb // Winged Temple of Orazca
1 Harbinger of the Tides
1 Herald of Secret Streams
1 High Tide
1 Inkfathom Divers
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Lightning Greaves
1 Lord of Atlantis
1 Master of the Pearl Trident
1 Merfolk Mistbinder
1 Merfolk Skydiver
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Misdirection
1 Nadir Kraken
1 Part the Waterveil
1 Rampant Growth
1 Reclaim the Wastes
1 Reef Worm
1 Rishadan Dockhand
1 Riverwise Augur
1 Sapphire Medallion
1 Sea's Claim
1 Seasinger
1 Shapers of Nature
1 Silvergill Adept
1 Silvergill Douser
1 Sol Ring
1 Stonybrook Angler
1 Stonybrook Banneret
1 Streambed Aquitects
1 Strixhaven Stadium
1 Svyelun of Sea and Sky
1 Talisman of Curiosity
1 Tatyova, Benthic Druid
1 Tempest Caller
1 Thieving Skydiver
1 Thought Vessel
1 Tidal Warrior
1 Tide Shaper
1 Tishana, Voice of Thunder
1 Tolarian Sentinel
1 True-Name Nemesis
1 Vorel of the Hull Clade
1 Wayfarer's Bauble
1 Winged Boots
1 Zegana, Utopian Speaker
Sideboard:
1 Bident of Thassa
1 Coral Atoll
1 Deepchannel Mentor
1 Drake
1 Familiar's Ruse
1 Harpoon Sniper
1 Inexorable Tide
1 Kiora's Follower
1 Mist-Cloaked Herald
1 Paradigm Shift
1 Rest in Peace
1 River Kelpie
1 River's Rebuke
1 Seafloor Oracle
1 Stonybrook Schoolmaster
1 Summon the School
1 Thassa, Deep-Dwelling
1 Thassa's Oracle
1 Traveler's Cloak
1 Wanderwine Hub
1 Wizard Class