Main deck (60) 4 Arcum's Astrolabe 2 Chandra, Torch of Defiance 4 Darksteel Citadel 2 Dead of Winter 3 Disallow 2 Fabled Passage 1 Fact or Fiction 2 Hero's Downfall 4 Mana Leak 4 Obliterate 4 Opt 3 Pentad Prism 2 Polluted Delta 4 Prismatic Vista 4 Snow-Covered Island 4 Snow-Covered Mountain 3 Snow-Covered Swamp 4 Tezzeret the Schemer 4 Thirst for Knowledge Sideboard (15) 2 Angrath's Rampage 2 Dead of Winter 3 Duress 4 Leyline of the Void 2 Pharika's Libation 2 Tale's End