Main deck (60) 4 Aether Vial 4 Cavern of Souls 2 Dismember 4 Force of Negation 10 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Merfolk Trickster 2 Mistcaller 4 Mutavault 2 Otawara, Soaring City 2 Silvergill Adept 2 Subtlety 4 Svyelun of Sea and Sky 4 Tide Shaper 4 Vodalian Hexcatcher Sideboard (15) 1 Aether Gust 2 Chalice of the Void 1 Dismember 2 Dress Down 2 Harbinger of the Tides 2 Mystical Dispute 2 Orvar, the All-Form 3 Spreading Seas