1 Alchemist's Refuge
1 Botanical Sanctum
1 Breeding Pool
1 Command Tower
1 Dark Depths
1 Flooded Grove
7 Forest
1 Hinterland Harbor
13 Island
1 Path of Ancestry
1 Rejuvenating Springs
1 Reliquary Tower
1 Temple of Mystery
1 Thespian's Stage
1 Waterlogged Grove
1 Yavimaya Coast
1 Aesi, Tyrant of Gyre Strait
1 Aethersquall Ancient
1 Arcane Signet
1 Archetype of Imagination
1 Beast Within
1 Bident of Thassa
1 Blue Sun's Zenith
1 Breaching Leviathan
1 Brinelin, the Moon Kraken
1 Broken Bond
1 Charix, the Raging Isle
1 Colossal Whale
1 Counterspell
1 Crush of Tentacles
1 Cultivate
1 Deep-Sea Kraken
1 Elder Deep-Fiend
1 Elemental Bond
1 Engulf the Shore
1 Explore
1 Farseek
1 Finale of Revelation
1 Garruk's Uprising
1 Growth Spiral
1 Gyre Engineer
1 High Tide
1 Imoti, Celebrant of Bounty
1 Inkwell Leviathan
1 Kefnet's Monument
1 Kiora Bests the Sea God
1 Kiora, Behemoth Beckoner
1 Kiora's Follower
1 Kodama's Reach
1 Koma, Cosmos Serpent
1 Kraken of the Straits
1 Lorthos, the Tidemaker
1 Murkfiend Liege
1 Nadir Kraken
1 Negate
1 Nezahal, Primal Tide
1 Nimbus Swimmer
1 Ominous Seas
1 Overwhelming Stampede
1 Pearl Lake Ancient
1 Prime Speaker Zegana
1 Quest for Ula's Temple
1 Rampant Growth
1 Rapid Hybridization
1 Return of the Wildspeaker
1 Rush of Knowledge
1 Scourge of Fleets
1 Serpent of Yawning Depths
1 Shark Typhoon
1 Shipbreaker Kraken
1 Simic Sky Swallower
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Stormsurge Kraken
1 Stormtide Leviathan
1 Tatyova, Benthic Druid
1 Thryx, the Sudden Storm
1 Trench Behemoth
1 Tromokratis
1 Voracious Greatshark
1 Whelming Wave
Sideboard:
1 Arixmethes, Slumbering Isle