Main deck (60) 4 Aether Vial 4 Benthic Biomancer 3 Cavern of Souls 4 Darkslick Shores 3 Dismember 4 Glasspool Mimic 3 Harbinger of the Tides 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Master of Waves 4 Merfolk Trickster 4 Merrow Reejerey 4 Mutavault 4 Silvergill Adept 7 Snow-Covered Island Sideboard (15) 2 Aether Gust 4 Chalice of the Void 4 Force of Negation 3 Relic of Progenitus 2 Spreading Seas