4 Cavern of Souls
12 Island
4 Mutavault
4 Aether Vial
2 Benthic Biomancer
4 Dismember
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
4 Silvergill Adept
2 Subtlety
4 Svyelun of Sea and Sky
4 Tide Shaper
4 Vodalian Hexcatcher
Sideboard:
1 Aether Gust
2 Chalice of the Void
1 Counterspell
1 Engineered Explosives
4 Force of Negation
2 Harbinger of the Tides
4 Spreading Seas