2 Harbinger of the Tides
2 Merrow Reejerey
4 Tide Shaper
4 Silvergill Adept
4 Merfolk Trickster
4 Unsettled Mariner
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Svyelun of Sea and Sky
4 Aether Vial
4 Force of Negation
1 Cavern of Souls
3 Mutavault
3 Waterlogged Grove
4 Wanderwine Hub
4 Seachrome Coast
5 Island
Sideboard
2 Thieving Skydiver
2 Spreading Seas
2 Prismatic Ending
2 Relic of Progenitus
3 Dismember
4 Chalice of the Void