1 Coral Atoll
35 Island
1 Myriad Landscape
1 Rogue's Passage
1 Aether Vial
1 Amphin Mutineer
1 Arcane Signet
1 Armillary Sphere
1 Borrowing 100,000 Arrows
1 Breaching Leviathan
1 Caged Sun
1 Charix, the Raging Isle
1 Chasm Skulker
1 Chrome Host Seedshark
1 Deep-Sea Kraken
1 Deepchannel Mentor
1 Defiler of Dreams
1 Dissipation Field
1 Eaten by Piranhas
1 Floodgate
1 Gauntlet of Power
1 Gilded Lotus
1 Glasspool Mimic // Glasspool Shore
1 High Tide
1 Hullbreaker Horror
1 Ichthyomorphosis
1 Inkwell Leviathan
1 Inundate
1 Keep Watch
1 Kindred Discovery
1 Kozilek's Unsealing
1 Lorthos, the Tidemaker
1 Mana Drain
1 Mulldrifter
1 Mystic Reflection
1 Mystic Remora
1 Nadir Kraken
1 Nezahal, Primal Tide
1 Nyx Lotus
1 Quest for Ula's Temple
1 Quicksilver Amulet
1 Rapid Hybridization
1 Rush of Knowledge
1 Sapphire Medallion
1 Scourge of Fleets
1 Sea Scryer
1 Sea-Dasher Octopus
1 Serpent of Yawning Depths
1 Shark Typhoon
1 Shipbreaker Kraken
2 Shore Up
1 Siren Stormtamer
1 Sky Diamond
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Spawning Kraken
1 Spectral Deluge
1 Stormsurge Kraken
1 Thada Adel, Acquisitor
1 Thassa, Deep-Dwelling
1 Thought Vessel
1 Traveler's Amulet
1 Wash Out
1 Whelming Wave
1 Worn Powerstone
Sideboard:
1 Aboshan, Cephalid Emperor
1 Aetherspouts
1 Aethersquall Ancient
1 Alexi, Zephyr Mage
1 Aqueous Form
1 Arcane Adaptation
1 Artful Dodge
1 Breaking Wave
1 Bribery
1 Chasm Skulker
1 Chromeshell Crab
1 Coastal Breach
1 Colossal Whale
1 Counterspell
1 Crafty Pathmage
1 Crush of Tentacles
1 Crystal Shard
1 Curse of the Swine
1 Deadeye Navigator
1 Devastation Tide
1 Dig Through Time
1 Disallow
1 Displacement Wave
1 Distortion Strike
1 Dive Down
1 Empress Galina
1 Energy Tap
1 Engulf the Shore
1 Entrancing Melody
1 Essence Flux
1 Expedition Map
1 Fatespinner
1 Fireshrieker
1 Flood
1 Flood of Tears
1 Flow of Ideas
1 Foil
1 Frozen Aether
1 Harbinger of the Tides
1 Illusionist's Bracers
1 Inkwell Leviathan
1 Into the Roil
1 Invasive Surgery
1 Kederekt Leviathan
1 Kefnet's Monument
1 Keiga, the Tide Star
1 Kiora Bests the Sea God
1 Lazotep Plating
1 Llawan, Cephalid Empress
1 Martyr of Frost
1 Master of Waves
1 Merfolk Thaumaturgist
1 Merfolk Wayfinder
1 Mesmerizing Benthid
1 Minamo Sightbender
1 Mistford River Turtle
1 Mizzium Skin
1 Muddle the Mixture
1 Murmuring Mystic
1 Mystic Confluence
1 Narset, Parter of Veils
1 Narset's Reversal
1 Negate
1 Ominous Seas
1 Opt
1 Polymorphist's Jest
1 Pongify
1 Protective Bubble
1 Quicksilver Fountain
1 Reality Shift
1 Reconnaissance Mission
1 Reef Worm
1 Rewind
1 Rite of Replication
1 Sage of Fables
1 Scattering Stroke
1 Serpent of the Endless Sea
1 Shadowspear
1 Shapesharer
1 Shell Shield
1 Sigil Tracer
1 Sigiled Starfish
1 Siren's Call
1 Slip Through Space
1 Spell Swindle
1 Spreading Seas
1 Stonybrook Banneret
1 Stormtide Leviathan
1 Swan Song
1 Swiftfoot Boots
1 Talrand, Sky Summoner
1 Teferi's Time Twist
1 Tempest Caller
1 Tetsuko Umezawa, Fugitive
1 Thassa, God of the Sea
1 Thassa's Oracle
1 Thassa's Rebuff
1 Thieving Skydiver
1 Tidal Warrior
1 Tidewalker
1 Trailblazer's Boots
1 Treasure Cruise
1 Twisted Image
1 Vedalken Aethermage
1 Veil of Secrecy
1 Vortex Elemental
1 Whispersilk Cloak
1 Wizard's Retort
2 Wonder
1 Writ of Passage