Main deck (60) 4 Ancient Tomb 3 Basalt Monolith 3 City of Traitors 4 Great Furnace 4 Grim Monolith 4 Karn, Scion of Urza 4 Karn, the Great Creator 3 Lion's Eye Diamond 4 Lotus Petal 4 Manifold Key 3 Mountain 4 Mox Opal 4 Mystic Forge 4 Simian Spirit Guide 2 Snow-Covered Mountain 3 Voltaic Key 3 Walking Ballista Sideboard (15) 3 Abrade 1 Basalt Monolith 1 Ensnaring Bridge 1 Lion's Eye Diamond 1 Liquimetal Coating 1 Mycosynth Lattice 2 Pyroblast 2 Red Elemental Blast 1 Tormod's Crypt 1 Walking Ballista 1 Zirda, the Dawnwaker