Main deck (60) 3 Adaptive Automaton 4 Aether Vial 1 Ancient Ziggurat 4 Cavern of Souls 4 Cloudshredder Sliver 1 Dregscape Sliver 4 Galerider Sliver 1 Island 3 Leeching Sliver 4 Phantasmal Image 1 Plains 4 Predatory Sliver 4 Secluded Courtyard 2 Sidewinder Sliver 4 Sinew Sliver 4 Sliver Hive 4 Striking Sliver 2 Syphon Sliver 4 Unclaimed Territory 2 Unsettled Mariner Sideboard (15) 2 Bladeback Sliver 4 Chalice of the Void 3 Harmonic Sliver 4 Leyline of the Void 2 Unsettled Mariner