1 Castle Vantress
1 Cavern of Souls
1 Halimar Depths
12 Island
1 Lonely Sandbar
1 Moonring Island
1 Mutavault
1 Mystic Sanctuary
1 Nykthos, Shrine to Nyx
1 Otawara, Soaring City
1 Reliquary Tower
1 Remote Isle
1 Riptide Laboratory
1 Saprazzan Skerry
1 Seat of the Synod
1 Soldevi Excavations
1 Svyelunite Temple
1 Teferi's Isle
1 Three Tree City
1 Tolaria West
1 Aquitect's Will
1 Arctic Merfolk
1 Bident of Thassa
1 Brainstorm
1 Caller of Gales
1 Coastal Piracy
1 Cosi's Trickster
1 Counterspell
1 Cryptic Command
1 Cursecatcher
1 Deeproot Pilgrimage
1 Deeproot Waters
1 Distant Melody
1 Door of Destinies
1 Emperor Mihail II
1 Flare of Denial
1 Gitaxian Probe
1 Harbinger of the Seas
1 Harbinger of the Tides
1 Intruder Alarm
1 Kefnet's Monument
1 Kopala, Warden of Waves
1 Leyline of Anticipation
1 Lord of Atlantis
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Sovereign
1 Merfolk Spy
1 Merfolk Trickster
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Metallic Mimic
1 Mistcaller
1 Ponder
1 Pongify
1 Preordain
1 Ravenform
1 Reflections of Littjara
1 Rishadan Dockhand
1 Rite of Replication
1 Sapphire Medallion
1 Sea Scryer
1 Seafloor Oracle
1 Seahunter
1 Silvergill Adept
1 Silvergill Douser
1 Sol Ring
1 Stoneforge Masterwork
1 Stonybrook Banneret
1 Streambed Aquitects
1 Strix Serenade
1 Surgespanner
1 Svyelun of Sea and Sky
1 Swan Song
1 Tempest Caller
1 Thassa, God of the Sea
1 Thieving Skydiver
1 Tidal Courier
1 Tidal Warrior
1 Tide Shaper
1 Tishana's Tidebinder
1 Titan of Littjara
1 Vodalian Hexcatcher
1 Volshe Tideturner
1 Wanderwine Prophets
1 Wizard Class
1 Wizard's Retort
Sideboard:
1 Alandra, Sky Dreamer
1 Archway of Innovation
1 Filter Out
1 Jwari Disruption // Jwari Ruins
1 Minamo, School at Water's Edge
1 Shelldock Isle
1 Talrand, Sky Summoner