22 Island
3 Aegis Turtle
1 Archipelagore
1 Bigfin Bouncer
1 Devastation Tide
1 Dreamtail Heron
1 Floodgate
1 Flow of Ideas
1 Giant Oyster
1 Giant Shark
2 Hammerhead Shark
2 High Tide
1 Into the Flood Maw
1 Levitation
1 Loan Shark
2 Man-o'-War
1 Mulldrifter
1 Mystic Reflection
3 Pollywog Symbiote
4 Pouncing Shoreshark
1 Sea-Dasher Octopus
1 Sea's Claim
1 Shark Typhoon
1 Skyclave Squid
1 Spined Megalodon
1 Spreading Seas
1 Tidal Wave
1 Voracious Greatshark
1 Whelming Wave
Sideboard:
1 Chrome Host Seedshark
1 Counterspell
1 Dreamtail Heron
1 Eye of the Storm
1 Form of the Mulldrifter
1 Kraken's Eye
1 Mana Leak
1 Mimic Vat
1 Mulldrifter
1 Mystic Sanctuary
1 Nezahal, Primal Tide
1 No Escape
1 Pollywog Symbiote
2 Quench
1 Riptide Turtle
1 Scourge of Fleets
1 Shabraz, the Skyshark
1 Shark Typhoon
1 Sol Ring
2 Spell Syphon
1 Twiddle
3 Unsummon
2 Whirlpool Whelm