Main deck (60) 4 Aether Vial 4 Benthic Biomancer 4 Force of Negation 4 Harbinger of the Tides 11 Island 4 Lonely Sandbar 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Merfolk Trickster 4 Mutavault 1 Oboro, Palace in the Clouds 4 Silvergill Adept 4 Spreading Seas 4 Vapor Snag Sideboard (15) 4 Deprive 3 Echoing Truth 4 Grafdigger's Cage 4 Relic of Progenitus