Main deck (60) 4 Aether Vial 4 Cavern of Souls 4 Force of Negation 10 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Merfolk Trickster 2 Mistcaller 4 Mutavault 1 Otawara, Soaring City 2 Spreading Seas 4 Subtlety 4 Svyelun of Sea and Sky 4 Tide Shaper 4 Vodalian Hexcatcher 1 Waterlogged Grove Sideboard (15) 3 Chalice of the Void 2 Dismember 1 Hurkyl's Recall 2 Mystical Dispute 1 Orvar, the All-Form 2 Soul-Guide Lantern 2 Spreading Seas 2 Thieving Skydiver