1 Castle Vantress
34 Island
1 Mystic Sanctuary
1 Adaptive Automaton
1 Aether Gale
1 Aether Tradewinds
1 Aquitect's Will
1 Archmage Emeritus
1 Armillary Sphere
1 Augur of Bolas
1 Caged Sun
1 Coat of Arms
1 Counterspell
1 Cultivator's Caravan
1 Deeproot Waters
1 Distant Melody
1 Distortion Strike
1 Essence Flux
1 Fabricate
1 Fading Hope
1 Flow of Ideas
1 Ghostly Flicker
1 Gigadrowse
1 Heraldic Banner
1 Hidden Strings
1 Jwari Disruption // Jwari Ruins
1 Kefnet's Monument
1 Lightning Greaves
1 Lord of Atlantis
1 Master of the Pearl Trident
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Mind Games
1 Mizzium Skin
1 Mulldrifter
1 Niblis of Frost
1 Orvar, the All-Form
1 Pongify
1 Powerstone Shard
1 Reef Shaman
1 Reflections of Littjara
1 Rishadan Dockhand
1 Sage of Fables
1 Sea Scryer
1 Seafloor Oracle
1 Seahunter
1 Shipwreck Dowser
1 Sol Ring
1 Spectral Deluge
1 Stonybrook Banneret
1 Stroke of Genius
1 Sublime Epiphany
1 Teferi's Time Twist
1 Tempest Caller
1 Tidal Courier
1 Tidal Warrior
1 Tide Shaper
1 Tidebinder Mage
1 Tideshaper Mystic
1 Triton Shorestalker
1 Triton Tactics
1 Twiddle
1 Wake Thrasher
1 Watertrap Weaver
1 Whirlpool Rider
Sideboard:
1 Dakra Mystic
1 Early Frost
1 Levitation
1 Obelisk of Urd
1 Prismatic Lens
1 Slinn Voda, the Rising Deep
1 Snap
1 Thermal Flux
1 Undo
1 You Come to a River