1 Arcane Lighthouse
1 Homeward Path
26 Island
1 Nykthos, Shrine to Nyx
1 Reliquary Tower
1 Rogue's Passage
1 Alhammarret's Archive
1 Aquitect's Will
1 Arcanis the Omnipotent
1 Back from the Brink
1 Bident of Thassa
1 Body Double
1 Braingeyser
1 Caged Sun
1 Colossal Whale
1 Consecrated Sphinx
1 Counterspell
1 Cyclonic Rift
1 Empress Galina
1 Energy Tap
1 Everflowing Chalice
1 Expedition Map
1 Extraplanar Lens
1 General's Kabuto
1 Gilded Lotus
1 High Tide
1 Hullbreaker Horror
1 Inkfathom Divers
1 Inkwell Leviathan
1 Keiga, the Tide Star
1 Kira, Great Glass-Spinner
1 Knowledge Exploitation
1 Kraken of the Straits
1 Lightning Greaves
1 Lingering Mirage
1 Mind Spring
1 Mind Unbound
1 Mox Amber
1 Neurok Stealthsuit
1 Nevinyrral's Disk
1 Notorious Throng
1 Parallel Thoughts
1 Perilous Vault
1 Quest for Ula's Temple
1 Quicksilver Amulet
1 Quicksilver Fountain
1 Rhystic Study
1 Sapphire Medallion
1 Scent of Brine
1 Scourge of Fleets
1 Sea's Claim
1 Serpent of Yawning Depths
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Spawning Kraken
1 Spell Syphon
1 Spreading Seas
1 Stormtide Leviathan
1 Strata Scythe
1 Streambed Aquitects
1 Stroke of Genius
1 Summon: Leviathan
1 Supplant Form
1 Sword of the Animist
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Thassa's Rebuff
1 Thieves' Fortune
1 Thran Dynamo
1 Throne of Eldraine
1 Tidal Warrior
1 Time Warp
1 Ulamog, the Infinite Gyre
1 Vesuvan Shapeshifter
1 Whelming Wave
Sideboard:
1 Aethersquall Ancient
1 Amphibian Downpour
1 Assassin Gauntlet
1 Breaching Leviathan
1 Charix, the Raging Isle
1 Chasm Skulker
1 Deep Freeze
1 Dissipation Field
1 Dreamscape Artist
1 Eaten by Piranhas
1 Flood the Engine
1 Frogify
1 Ichthyomorphosis
1 Imprisoned in the Moon
1 In Too Deep
1 Kasmina's Transmutation
1 Kiora Bests the Sea God
1 Lorthos, the Tidemaker
1 Misleading Signpost
1 Mystic Subdual
1 Observed Stasis
1 Prosperous Thief
1 Reef Worm
1 Seafloor Oracle
1 Sky Diamond
1 Starwinder
1 Stop Cold
1 Sugar Coat
1 Take the Fall
1 Tamiyo's Compleation
1 Tromokratis
1 Unable to Scream
1 Witness Protection