4 Tide Shaper
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
4 Silvergill Adept
4 Vodalian Hexcatcher
4 Svyelun of Sea and Sky
2 Subtlety
4 Dismember
2 Force of Negation
4 Aether Vial
4 Cavern of Souls
8 Island
4 Mutavault
2 Otawara, Soaring City
2 Waterlogged Grove
Sideboard
2 Harbinger of the Tides
2 Kira, Great Glass-Spinner
2 Spell Pierce
2 Hurkyl's Recall
3 Chalice of the Void
1 Grafdigger's Cage
1 Relic of Progenitus
2 Spreading Seas