Main deck (60) 4 Aether Vial 4 Benthic Biomancer 3 Cavern of Souls 3 Cursecatcher 13 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Master of Waves 4 Merfolk Trickster 4 Mutavault 3 Phantasmal Image 1 Sea's Claim 4 Silvergill Adept 1 Spell Pierce 4 Spreading Seas Sideboard (15) 3 Chalice of the Void 2 Deprive 2 Echoing Truth 4 Relic of Progenitus 4 Vapor Snag