Main deck (60) 4 Arcum's Astrolabe 3 Bane of Bala Ged 3 Bloodchief's Thirst 3 Cascading Cataracts 4 Cloudpost 4 Dread Fugue 4 Duress 4 Expedition Map 4 Glimmerpost 3 Ice Tunnel 4 Mastermind's Acquisition 2 Myr Battlesphere 3 Prophetic Prism 4 Read the Bones 3 Ritual of Soot 8 Snow-Covered Swamp Sideboard (15) 1 Banefire 1 Bane of Bala Ged 1 Bloodchief's Thirst 3 Erebos's Intervention 1 Feed the Swarm 1 Ixalan's Binding 1 Nicol Bolas, Planeswalker 1 Niv-Mizzet, Parun 1 Ritual of Soot 4 Unmoored Ego