2 Benthic Biomancer
4 Harbinger of the Tides
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
4 Merrow Reejerey
4 Silvergill Adept
1 Kopala, Warden of Waves
4 Aether Vial
4 Force of Negation
4 Spreading Seas
1 Mu Yanling, Sky Dancer
9 Island
1 Cavern of Souls
4 Mutavault
4 Waterlogged Grove
1 Minamo, School at Water's Edge
1 Oboro, Palace in the Clouds
Sideboard
3 Chalice of the Void
4 Relic of Progenitus
1 Spellskite
3 Ceremonious Rejection
2 Cryptic Command
2 Deprive