40 Island
1 Aethersquall Ancient
1 Breaching Leviathan
1 Crush of Tentacles
1 Deep-Sea Kraken
1 Denizen of the Deep
1 Elder Deep-Fiend
1 Grozoth
1 Harbor Serpent
1 Inkwell Leviathan
1 Isleback Spawn
1 Kederekt Leviathan
1 Kiora, the Crashing Wave
1 Kraken Hatchling
1 Kraken of the Straits
1 Lorthos, the Tidemaker
1 Pearl Lake Ancient
4 Quest for Ula's Temple
1 Reef Worm
1 Scourge of Fleets
1 Scrapdiver Serpent
1 Sealock Monster
1 Serpent of the Endless Sea
1 Shipbreaker Kraken
1 Stormtide Leviathan
1 Trench Gorger
1 Tromokratis
4 Whelming Wave
Sideboard:
1 Bog Serpent
1 Nemesis of Reason
1 Nimbus Swimmer
1 Simic Sky Swallower
1 Sky Swallower
1 Slinking Serpent
1 Wrexial, the Risen Deep