4 Aether Vial
4 Master of the Pearl Trident
4 Merfolk Trickster
4 Svyelun of Sea and Sky
3 Force of Negation
2 Spreading Seas
2 Subtlety
4 Silvergill Adept
2 Harbinger of the Tides
1 Phantasmal Image
3 Lord of Atlantis
4 Tide Shaper
4 Vodalian Hexcatcher
2 Cavern of Souls
4 Mutavault
1 Oboro, Palace in the Clouds
1 Fiery Islet
2 Otawara, Soaring City
9 Island
Sideboard
1 Spreading Seas
2 Harbinger of the Tides
2 Thieving Skydiver
2 Mystical Dispute
1 Hurkyl's Recall
2 Soul-Guide Lantern
1 Kira, Great Glass-Spinner
2 Counterspell
2 Chalice of the Void