1 Academy Ruins
1 Hall of Storm Giants
25 Island
1 Lonely Sandbar
1 Myriad Landscape
1 Mystic Sanctuary
1 Nykthos, Shrine to Nyx
1 Riptide Laboratory
1 Scavenger Grounds
1 Tolaria West
1 War Room
1 Adaptive Automaton
1 Aetherize
1 Aquitect's Will
1 Arcane Denial
1 Benthic Biomancer
1 Bident of Thassa
1 Coralhelm Commander
1 Cosi's Trickster
1 Counterspell
1 Cursecatcher
1 Deepchannel Mentor
1 Deeproot Waters
1 Distant Melody
1 Glasspool Mimic // Glasspool Shore
1 Harbinger of the Tides
1 High Tide
1 Inundate
1 Kopala, Warden of Waves
1 Lord of Atlantis
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Sovereign
1 Merfolk Trickster
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Metallic Mimic
1 Mist-Cloaked Herald
1 Mystic Remora
1 Narset's Reversal
1 Pillar of Origins
1 Pongify
1 Propaganda
1 Rapid Hybridization
1 Reconnaissance Mission
1 Reflections of Littjara
1 Resculpt
1 Rishadan Dockhand
1 River Sneak
1 Riverwise Augur
1 Sage of Fables
1 Sapphire Medallion
1 Sea's Claim
1 Seafloor Oracle
1 Seahunter
1 Sigil Tracer
1 Silvergill Adept
1 Sky Diamond
1 Sol Ring
1 Spreading Seas
1 Stonybrook Banneret
1 Svyelun of Sea and Sky
1 Talrand, Sky Summoner
1 Tempest Caller
1 Thada Adel, Acquisitor
1 Thassa's Oracle
1 Thieving Skydiver
1 Tide Shaper
1 True-Name Nemesis
1 Vanquisher's Banner
1 Wake Thrasher
1 Wanderwine Prophets
1 Wash Out
1 Wonder
Sideboard:
1 Emry, Lurker of the Loch
1 Fallowsage
1 Imprisoned in the Moon
1 Leyline of Anticipation
1 Merfolk Thaumaturgist
1 Mistcaller
1 Quicksilver Fountain
1 Sea Scryer
1 Solve the Equation
1 Stormtide Leviathan
1 Streambed Aquitects
1 Surgespanner
1 Tidebinder Mage
1 Volcanic Eruption
1 Wizard Class