4 Silvergill Adept
4 Aether Vial
4 Force of Negation
3 Glasspool Mimic
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
2 Spreading Seas
4 Subtlety
4 Svyelun of Sea and Sky
4 Tide Shaper
1 Castle Vantress
1 Cavern of Souls
2 Fiery Islet
9 Island
1 Minamo, School at Water's Edge
4 Mutavault
1 Otawara, Soaring City
Sideboard
2 Chalice of the Void
2 Counterspell
2 Dismember
2 Echoing Truth
2 Kira, Great Glass-Spinner
3 Relic of Progenitus
2 Tidebinder Mage