20 Island
1 Counterspell
1 Dandân
2 Dreamwinder
1 Ethereal Whiskergill
1 Fishliver Oil
1 Foresee
1 Hammerhead Shark
3 Harbor Serpent
1 Inundate
3 Muddle the Mixture
1 Pendrell Flux
1 Phantasmal Terrain
2 Sea Monster
1 Sea's Claim
4 Sealock Monster
1 Seasinger
1 Serpent of the Endless Sea
1 Shifting Borders
4 Spreading Seas
3 Stormtide Leviathan
1 Tidewalker
2 Traveler's Cloak
1 Unsummon
1 Vapor Snag
1 Zhou Yu, Chief Commander
Sideboard: