4 Mutavault
4 Cavern of Souls
1 Minamo, School at Water's Edge
8 Island
1 Waterlogged Grove
2 Otawara, Soaring City
4 Aether Vial
4 Dismember
4 Spreading Seas
4 Rishadan Dockhand
4 Vodalian Hexcatcher
4 Svyelun of Sea and Sky
4 Merfolk Trickster
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Tide Shaper
Sideboard
2 Kira, Great Glass-Spinner
4 Force of Negation
3 Subtlety
2 Hurkyl's Recall
1 Phantasmal Image
3 Chalice of the Void