1 Arctic Treeline
1 Command Tower
1 Evolving Wilds
1 Forest
18 Island
1 Lonely Sandbar
1 Mystic Sanctuary
1 Rimewood Falls
1 Shimmerdrift Vale
2 Snow-Covered Forest
2 Snow-Covered Island
1 Terramorphic Expanse
1 Tranquil Thicket
1 Brinelin, the Moon Kraken
1 Careful Consideration
1 Catalog
1 Charix, the Raging Isle
1 Chart a Course
1 Clever Impersonator
1 Cryptic Serpent
1 Cultivate
1 Deep-Sea Kraken
1 Depart the Realm
1 Displacement Wave
1 Dissolve
1 Dive Down
1 Drag Under
1 Drowned Secrets
1 Elder Deep-Fiend
1 Engulf the Shore
1 Enhanced Awareness
1 Explore
1 Fact or Fiction
1 Failed Inspection
1 Flood of Tears
1 Garruk's Uprising
1 Glittering Frost
1 Harbor Serpent
1 Hullbreaker Horror
1 Icebreaker Kraken
1 Inkwell Leviathan
1 Into the Roil
1 Jalum Tome
1 Kenessos, Priest of Thassa
1 Lullmage's Familiar
1 Maraleaf Pixie
1 Migration Path
1 Mind Spring
1 Moritte of the Frost
1 Mystic Meditation
1 Negate
1 Neutralize
1 Nimbus Swimmer
1 Nyx Lotus
1 Omen of the Sea
1 Overwhelming Denial
1 Pouncing Shoreshark
1 Prying Eyes
1 Reef Worm
1 Retreat to Coralhelm
1 Rishkar's Expertise
1 River Serpent
1 Scourge of Fleets
1 Scrapdiver Serpent
1 Sealock Monster
1 Sharktocrab
1 Shipbreaker Kraken
1 Simic Cluestone
1 Simic Signet
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Striped Riverwinder
1 Supplant Form
1 Thirst for Meaning
1 Tolarian Kraken
1 Tolarian Terror
1 Treasure Cruise
1 Trial of Knowledge
1 Tromokratis
1 Vesuvan Shapeshifter
1 Worn Powerstone
Sideboard:
1 Acquisition Octopus
1 Aesi, Tyrant of Gyre Strait
1 Aggressive Biomancy
1 Aqueous Form
1 Arixmethes, Slumbering Isle
1 Benthic Anomaly
1 Biblioplex Kraken
1 Brainsurge
1 Breaching Leviathan
1 Cephalid Inkmage
1 Chomping Changeling
1 Consider
1 Counterspell
1 Crush of Tentacles
1 Dark Depths
1 Darkwater Catacombs
1 Dazzling Lights
1 Drowned Catacomb
1 Famished Worldsire
1 Fisher's Talent
1 Glacier Godmaw
1 Grappling Kraken
1 Growth Spiral
1 Gwenna, Eyes of Gaea
1 Halimar Depths
1 Heartstone
1 High Tide
1 In Search of Greatness
1 Invasion of Segovia // Caetus, Sea Tyrant of Segovia
1 Joint Exploration
1 Kederekt Leviathan
1 Kefnet's Monument
1 Kenessos, Priest of Thassa
1 Kiora, Behemoth Beckoner
1 Kiora, Sovereign of the Deep
1 Kiora, the Crashing Wave
1 Kiora, the Rising Tide
1 Koma, Cosmos Serpent
1 Koma, World-Eater
1 Lifecrafter's Bestiary
1 Loch Mare
1 Lorthos, the Tidemaker
1 Marit Lage's Slumber
1 Monster Manual // Zoological Study
1 Monstrosity of the Lake
1 Mosswort Bridge
1 Mouth // Feed
1 Myriad Landscape
1 Nadir Kraken
1 Nezahal, Primal Tide
1 Octavia, Living Thesis
1 Octoprophet
1 Omen Hawker
1 Omni-Changeling
1 Opal Palace
1 Opt
1 Pearl Lake Ancient
1 Plasm Capture
1 Polymorph
1 Quest for Ula's Temple
1 Quicksilver Amulet
1 Rain of Thorns
1 Rain-Slicked Copse
1 Reclaim the Wastes
1 Reservoir Kraken
1 Restless Reef
1 Rogue's Passage
1 Sea-Dasher Octopus
1 Seasons Past
1 Serpent of Yawning Depths
1 Shell Shield
1 Sin, Unending Cataclysm
1 Sodden Verdure
1 Spawning Kraken
1 Starwinder
1 Stormsurge Kraken
1 Summon: Leviathan
1 Swiftfoot Boots
1 Sword Coast Serpent // Capsizing Wave
1 The Reality Chip
1 The Unagi of Kyoshi Island
1 The Watcher in the Water
1 Thing in the Ice // Awoken Horror
1 Tidal Terror
1 Training Grounds
1 Trench Behemoth
1 Trench Gorger
1 Underground River
1 Unexplained Disappearance
1 Unknown Shores
1 Urza's Tome
1 Vesuvan Drifter
1 Voyage's End
1 Whelming Wave
1 Wild Growth
1 Xolatoyac, the Smiling Flood