Main deck (60) 4 Aether Vial 3 Cavern of Souls 4 Dismember 2 Force of Negation 10 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Merfolk Trickster 1 Minamo, School at Water's Edge 4 Mutavault 2 Otawara, Soaring City 4 Silvergill Adept 2 Subtlety 4 Svyelun of Sea and Sky 4 Tide Shaper 4 Vodalian Hexcatcher Sideboard (15) 3 Chalice of the Void 1 Force of Negation 2 Grafdigger's Cage 3 Harbinger of the Tides 2 Mana Leak 3 Spreading Seas 1 Subtlety