4 Cavern of Souls
9 Island
1 Minamo, School at Water's Edge
2 Mutavault
1 Oboro, Palace in the Clouds
2 Waterlogged Grove
4 Aether Vial
4 Chalice of the Void
4 Counterspell
2 Glasspool Mimic // Glasspool Shore
2 Harbinger of the Tides
4 Lord of Atlantis
4 Master of the Pearl Trident
2 Merfolk Trickster
1 Merrow Reejerey
4 Silvergill Adept
3 Spreading Seas
3 Svyelun of Sea and Sky
4 Tide Shaper
Sideboard:
1 Ashiok, Dream Render
1 Cursed Totem
2 Dismember
2 Echoing Truth
2 Force of Negation
1 Grafdigger's Cage
2 Master of Waves
2 Mistcaller
1 Relic of Progenitus
1 Sorcerous Spyglass