18 Forest
18 Island
1 Rivendell
1 Acquisition Octopus
1 Aesi, Tyrant of Gyre Strait
1 Aetherize
1 Aethersquall Ancient
1 Archetype of Imagination
1 Arixmethes, Slumbering Isle
1 Beast Within
1 Behold the Multiverse
1 Benthic Behemoth
1 Biblioplex Kraken
1 Bident of Thassa
1 Birds of Paradise
1 Brainstorm
1 Breaching Leviathan
1 Brinelin, the Moon Kraken
1 Broken Bond
1 Charix, the Raging Isle
1 Condescend
2 Counterspell
1 Crush of Tentacles
1 Crystal Ball
1 Cyclonic Rift
1 Deep-Sea Kraken
1 Deliberate
1 Displacement Wave
1 Dissolve
1 Elder Deep-Fiend
1 Elvish Mariner
1 Elvish Mystic
1 Engulf the Shore
1 Entish Restoration
1 Galadriel of Lothlórien
1 Green Sun's Twilight
1 Grozoth
1 Gwenna, Eyes of Gaea
1 Harrow
1 Hullbreaker Horror
1 Icebreaker Kraken
1 Inkwell Leviathan
1 Joint Exploration
1 Kederekt Leviathan
1 Kiora's Follower
1 Kodama's Reach
1 Koma, Cosmos Serpent
1 Kraken of the Straits
1 Krosan Grip
1 Last March of the Ents
1 Lifecrafter's Bestiary
1 Lightning Greaves
1 Llanowar Elves
1 Lorthos, the Tidemaker
1 Mana Drain
1 Mesmerizing Benthid
1 Monster Manual // Zoological Study
1 Monstrosity of the Lake
1 Moritte of the Frost
1 Murkfiend Liege
1 Mystic Speculation
1 Nadir Kraken
1 Nature's Claim
1 Nature's Lore
1 Noxious Revival
1 Octavia, Living Thesis
1 Octoprophet
1 Oracle of Mul Daya
1 Overwhelming Stampede
1 Palantír of Orthanc
1 Pearl Lake Ancient
1 Plasm Capture
1 Pongify
1 Preordain
1 Quest for Ula's Temple
1 Quicksilver Amulet
1 Rampant Growth
1 Rapid Hybridization
1 Reason // Believe
1 Reef Worm
1 Reservoir Kraken
1 Scourge of Fleets
1 Scrapdiver Serpent
1 Scroll Rack
1 Sea-Dasher Octopus
1 Sensei's Divining Top
1 Serpent of Yawning Depths
1 Serum Visions
1 Shipbreaker Kraken
1 Sigiled Starfish
1 Simic Sky Swallower
1 Skyshroud Claim
1 Slinn Voda, the Rising Deep
1 Spawning Kraken
1 Stormsurge Kraken
1 Stormtide Leviathan
1 Swiftfoot Boots
1 Sword Coast Serpent // Capsizing Wave
1 Tatyova, Benthic Druid
1 Thassa, God of the Sea
1 The Great Henge
1 The Reality Chip
1 The Temporal Anchor
1 The Watcher in the Water
2 Thrasios, Triton Hero
1 Three Visits
1 Tidal Kraken
1 Tidal Terror
1 Tolarian Kraken
1 Tolarian Terror
1 Trench Behemoth
1 Trench Gorger
1 Tromokratis
1 Ugin's Insight
1 Vesuvan Drifter
1 Voyage's End
1 Whelming Wave
1 Worldly Tutor
1 Wormhole Serpent
Sideboard:
1 Biomancer's Familiar
1 Kenessos, Priest of Thassa
1 Nezahal, Primal Tide
1 Omen Hawker
1 Seedborn Muse