Main deck (60) 4 Aether Vial 1 Cavern of Souls 4 Force of Negation 3 Glasspool Mimic 2 Gut Shot 7 Island 2 Lord of Atlantis 4 Master of the Pearl Trident 4 Merfolk Trickster 4 Mutavault 1 Oboro, Palace in the Clouds 2 Otawara, Soaring City 4 Silvergill Adept 4 Spreading Seas 3 Subtlety 4 Svyelun of Sea and Sky 4 Tide Shaper 3 Waterlogged Grove Sideboard (15) 3 Chalice of the Void 4 Counterspell 1 Gut Shot 2 Kira, Great Glass-Spinner 3 Relic of Progenitus 2 Thieving Skydiver