1 Alchemist's Refuge
1 Arch of Orazca
1 Ash Barrens
1 Breeding Pool
1 Command Tower
1 Evolving Wilds
1 Flooded Grove
2 Forest
1 Hinterland Harbor
12 Island
1 Lumbering Falls
1 Memorial to Genius
1 Memorial to Unity
1 Reliquary Tower
1 Rogue's Passage
1 Scavenger Grounds
1 Simic Growth Chamber
1 Temple of Mystery
1 Temple of the False God
1 Terramorphic Expanse
1 Yavimaya Coast
1 Aethertide Whale
1 Bident of Thassa
1 Bounty of the Luxa
1 Breaching Leviathan
1 Brine Elemental
1 Chasm Skulker
1 Coastal Breach
1 Colossal Whale
1 Crush of Tentacles
1 Cultivate
1 Cyclonic Rift
1 Dandân
1 Deep-Sea Kraken
1 Deepchannel Mentor
1 Devastation Tide
1 Dissipate
1 Draining Whelk
1 Dulcet Sirens
1 Elder Deep-Fiend
1 Engulf the Shore
1 Explosive Vegetation
1 Gilded Lotus
1 Great Whale
1 Heroic Intervention
1 Hinder
1 Hydroid Krasis
1 Inkwell Leviathan
1 Kederekt Leviathan
1 Kefnet's Monument
1 Kiora, Master of the Depths
1 Kiora, the Crashing Wave
1 Kodama's Reach
1 Kraken of the Straits
1 Kruphix, God of Horizons
1 Lightning Greaves
1 Long-Finned Skywhale
1 Lorthos, the Tidemaker
1 Mesmerizing Benthid
1 Mind Stone
1 Nezahal, Primal Tide
1 Nylea, God of the Hunt
1 Paragon of Gathering Mists
1 Pearl Lake Ancient
1 Prime Speaker Zegana
1 Purple-Crystal Crab
1 Quest for Ula's Temple
1 Quicksilver Fountain
1 Reef Worm
1 Rishkar's Expertise
1 Sapphire Medallion
1 Scatter to the Winds
1 Scourge of Fleets
1 Shipbreaker Kraken
1 Sigiled Starfish
1 Simic Charm
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Soul's Majesty
1 Spiny Starfish
1 Spreading Seas
1 Stormsurge Kraken
1 Stormtide Leviathan
1 Thassa, God of the Sea
1 Thought Vessel
1 Tromokratis
1 Whelming Wave
Sideboard:
1 Arixmethes, Slumbering Isle