1 Castle Vantress
1 Guildless Commons
1 Mystic Sanctuary
32 Snow-Covered Island
1 Temple of the False God
1 Aethersquall Ancient
1 Arcane Signet
1 Brine Elemental
1 Brinelin, the Moon Kraken
1 Charix, the Raging Isle
1 Chasm Skulker
1 Chromeshell Crab
1 Commander's Sphere
1 Devastation Tide
1 Disdainful Stroke
1 Displacement Wave
1 Dragon Turtle
1 Draining Whelk
1 Elder Deep-Fiend
1 Engulf the Shore
1 Fathom Seer
1 Flood of Recollection
1 Flood of Tears
1 Harbinger of the Tides
1 Hard Evidence
1 Hedron Archive
1 Ichthyomorphosis
1 Into the Roil
1 Kiora Bests the Sea God
1 Leyline of Anticipation
1 Liquimetal Torque
1 Memory Lapse
1 Mystic Confluence
1 Mystic Reflection
1 Nadir Kraken
1 Negate
1 Nezahal, Primal Tide
1 Omen of the Sea
1 Oneirophage
1 Overwhelming Denial
1 Pearl Lake Ancient
1 Preordain
1 Quest for Ula's Temple
1 Remand
1 Rewind
1 Scourge of Fleets
1 Sea Gate Restoration // Sea Gate, Reborn
1 Sea-Dasher Octopus
1 Shark Typhoon
1 Shell Shield
1 Shipbreaker Kraken
1 Sisay's Ring
1 Skittering Crustacean
1 Sol Ring
1 Sol Talisman
1 Spawning Kraken
1 Stormtide Leviathan
1 Sublime Epiphany
1 Thassa's Intervention
1 Thought Sponge
1 Thran Dynamo
1 Thryx, the Sudden Storm
1 Tidal Kraken
1 Trench Behemoth
1 Tromokratis
1 Voracious Greatshark
1 Whelming Wave
1 Whirlwind Denial
1 Wonder
Sideboard:
1 Aether Spellbomb
1 Arcum's Astrolabe
1 Bident of Thassa
1 Counterspell
1 Fleet Swallower
1 Icebreaker Kraken
1 Marit Lage's Slumber
1 Mind Stone
1 Miscast
1 Misdirection
1 Mishra's Factory
1 Pact of Negation
1 Portent
1 Search for Azcanta // Azcanta, the Sunken Ruin
1 Silundi Vision // Silundi Isle
1 Sky Diamond
2 Snow-Covered Island
1 Star Compass
1 Thassa, God of the Sea
1 Wavebreak Hippocamp