Main deck (60) 4 Aether Vial 4 Benthic Biomancer 1 Cavern of Souls 4 Deprive 2 Harbinger of the Tides 14 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Master of Waves 4 Merfolk Trickster 1 Minamo, School at Water's Edge 3 Mutavault 1 Oboro, Palace in the Clouds 4 Silvergill Adept 4 Spreading Seas 2 Vapor Snag Sideboard (15) 3 Chalice of the Void 2 Dismember 2 Echoing Truth 1 Grafdigger's Cage 2 Hurkyl's Recall 3 Relic of Progenitus 2 Tidebinder Mage