32 Island
1 Nykthos, Shrine to Nyx
1 Path of Ancestry
1 Three Tree City
1 Archmage's Charm
1 Attuma, Atlantean Warlord
1 Banner of Kinship
1 Champions of the Shoal
1 Chronicle of Victory
1 Cryptic Command
1 Curse of the Swine
1 Cyclonic Rift
1 Deeproot Pilgrimage
1 Deeproot Waters
1 Echocasting Symposium
1 Emperor Mihail II
1 High Tide
1 Inundate
1 Invoke the Winds
1 Irenicus's Vile Duplication
1 Irma, Part-Time Mutant
1 Kefnet's Monument
1 Kindred Discovery
1 Kopala, Warden of Waves
1 Lord of Atlantis
1 Master of the Pearl Trident
1 Merfolk Sovereign
1 Merrow Reejerey
1 Mirrormind Crown
1 Mist Dancer
1 Moonlit Meditation
1 Multiversal Recruitment
1 Namor the Sub-Mariner
1 Nanogene Conversion
1 Narset's Reversal
1 Pongify
1 Quantum Misalignment
1 Raise the Palisade
1 Reality Shift
1 Reenact the Crime
1 Retraced Image
1 Reverse the Polarity
1 Rimefire Torque
1 Roaming Throne
1 Sapphire Medallion
1 Sol Ring
1 Stonybrook Banneret
1 Summon: Leviathan
1 Svyelun of Sea and Sky
1 Transcendent Message
1 Vodalian Hexcatcher
1 Wanderwine Prophets
1 Waterbending Scroll
Sideboard:
1 Aetherize
1 Auton Soldier
1 Caged Sun
1 Commander's Insight
1 Counterspell
1 Dawn-Blessed Pennant
1 Deepchannel Mentor
1 Eaten by Piranhas
1 Eluge, the Shoreless Sea
1 Ember Island Production
1 Endless Atlas
1 Fated Infatuation
1 Filter Out
1 Harmonized Crescendo
1 Heraldic Banner
1 Hullbreaker Horror
1 Impostor Syndrome
1 Imprisoned in the Moon
1 Invasion of Arcavios // Invocation of the Founders
1 Invasion of Segovia // Caetus, Sea Tyrant of Segovia
1 Machine God's Effigy
1 Merrow Harbinger
1 Mirror Room // Fractured Realm
1 Omni-Changeling
1 Ponder
1 Preordain
1 Rapid Hybridization
1 Ravenform
1 Reflections of Littjara
1 Relm's Sketching
1 River Sneak
1 River's Rebuke
1 Sakashima of a Thousand Faces
1 Scourge of Fleets
1 Shark Typhoon
1 Silvergill Adept
1 Sink into Stupor // Soporific Springs
1 Spark Double
1 Spirit Water Revival
1 Stoneforge Masterwork
1 Tempest Caller
1 Tempted by the Oriq
1 Throne of Eldraine
1 Tishana's Tidebinder
1 True-Name Nemesis
1 Wanderwine Farewell
1 Water Whip
1 White Lotus Tile