Main deck (60) 4 Aether Vial 1 Cavern of Souls 4 Force of Negation 4 Glasspool Mimic 8 Island 1 Kira, Great Glass-Spinner 2 Lord of Atlantis 4 Master of the Pearl Trident 1 Master of Waves 4 Merfolk Trickster 1 Minamo, School at Water's Edge 4 Mutavault 1 Oboro, Palace in the Clouds 2 Otawara, Soaring City 4 Silvergill Adept 2 Spreading Seas 3 Subtlety 4 Svyelun of Sea and Sky 4 Tide Shaper 2 Waterlogged Grove Sideboard (15) 3 Chalice of the Void 3 Counterspell 2 Grafdigger's Cage 1 Kira, Great Glass-Spinner 2 Relic of Progenitus 1 Subtlety 3 Thieving Skydiver