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