Main deck (60) 4 Aether Vial 4 Benthic Biomancer 2 Cavern of Souls 3 Force of Negation 4 Harbinger of the Tides 6 Island 4 Lord of Atlantis 4 Master of the Pearl Trident 4 Merfolk Trickster 4 Mutavault 4 Seachrome Coast 4 Silvergill Adept 4 Spreading Seas 1 Sygg, River Guide 4 Unsettled Mariner 4 Wanderwine Hub Sideboard (15) 2 Aether Gust 1 Lurrus of the Dream-Den 4 Miscast 2 Pithing Needle 4 Relic of Progenitus 2 Thieving Skydiver