1 Arcane Lighthouse
1 Halimar Depths
1 Homeward Path
28 Island
1 Nykthos, Shrine to Nyx
1 Reliquary Tower
1 Rivendell
1 Rogue's Passage
1 Aquitect's Will
1 Arcane Signet
1 Braingeyser
1 Breaching Leviathan
1 Chasm Skulker
1 Colossal Whale
1 Cyclonic Rift
1 Energy Tap
1 Everflowing Chalice
1 Expedition Map
1 Eye of Ramos
1 General's Kabuto
1 Gilded Lotus
1 Heraldic Banner
1 High Tide
1 Hullbreaker Horror
1 Inkwell Leviathan
1 Kiora Bests the Sea God
1 Kira, Great Glass-Spinner
1 Knowledge Exploitation
1 Kraken of the Straits
1 Lightning Greaves
1 Lingering Mirage
1 Lorthos, the Tidemaker
1 Midnight Clock
1 Mind Spring
1 Misleading Signpost
1 Mitotic Manipulation
1 Mox Amber
1 Neurok Stealthsuit
1 Notorious Throng
1 Propaganda
1 Quicksilver Fountain
1 Retraced Image
1 Rhystic Study
1 Sapphire Medallion
1 Scent of Brine
1 Scourge of Fleets
1 Serpent of Yawning Depths
1 Sky Diamond
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Spawning Kraken
1 Spell Syphon
1 Spreading Seas
1 Starwinder
1 Stormtide Leviathan
1 Strata Scythe
1 Streambed Aquitects
1 Stroke of Genius
1 Summon: Leviathan
1 Sword of the Animist
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Thassa's Rebuff
1 Thieves' Fortune
1 Thought Vessel
1 Thran Dynamo
1 Throne of Eldraine
1 Tidal Warrior
1 Time Warp
1 Tromokratis
1 Ulamog, the Infinite Gyre
1 Wash Out
1 Whelming Wave
Sideboard:
1 Aethersquall Ancient
1 Amphibian Downpour
1 Benthic Anomaly
1 Charix, the Raging Isle
1 Deep Freeze
1 Deep-Sea Kraken
1 Deeproot Pilgrimage
1 Dissipation Field
1 Dreamscape Artist
1 Eaten by Piranhas
1 Fellwar Stone
1 Feywild Visitor
1 Flood the Engine
1 Frantic Search
1 Frogify
1 Ichthyomorphosis
1 Imprisoned in the Moon
1 In Too Deep
1 Kasmina's Transmutation
1 Monstrosity of the Lake
1 Mystic Subdual
1 Nadir Kraken
1 Nyx Lotus
1 Observed Stasis
1 Ominous Seas
1 Opt
1 Ponder
1 Preordain
1 Prosperous Thief
1 Reef Worm
1 Reservoir Kraken
1 Rogue's Gloves
1 Seafloor Oracle
1 Stop Cold
1 Sugar Coat
1 Tamiyo's Compleation
1 Unable to Scream
1 Witness Protection