21 Island
1 Memorial to Genius
1 Remote Isle
1 Aquatic Incursion
1 Behold the Multiverse
1 Biblioplex Kraken
1 Bigfin Bouncer
1 Brainstorm
1 Brainsurge
1 Bubble Smuggler
1 Caelorna, Coral Tyrant
1 Coastal Piracy
1 Counterspell
1 Daggermaw Megalodon
1 Enclave Cryptologist
1 Enter the Enigma
1 Expedition Diviner
1 Fallowsage
1 Fishing Pole
1 Flow of Knowledge
1 Fog Bank
1 Forensic Researcher
1 Glimmerbell
1 Iceridge Serpent
1 Keen Buccaneer
1 Keep Watch
1 Magic Damper
1 Merfolk Coralsmith
1 Merfolk Falconer
1 Negate
1 Nyxborn Triton
1 Ominous Seas
1 Open into Wonder
1 Reef Worm
1 Scrounging Skyray
1 Sky Diamond
1 Sky-Eel School
1 Skyswimmer Koi
1 Slinn Voda, the Rising Deep
1 Tolarian Terror
Sideboard:
1 Fish
1 Kraken
1 Kraken
1 Merfolk
1 Whale