Main deck (60) 4 Ancient Tomb 4 Bomat Courier 3 City of Traitors 4 Goblin Engineer 4 Goblin Welder 4 Great Furnace 1 Grim Monolith 2 Grindstone 2 Ichor Wellspring 4 Imperial Recruiter 2 Karn, the Great Creator 4 Lotus Petal 6 Mountain 4 Painter's Servant 4 Pyroblast 2 Red Elemental Blast 4 Scalding Tarn 1 Smuggler's Copter 1 Sundering Titan Sideboard (15) 1 Ensnaring Bridge 1 Grindstone 1 Karn, the Great Creator 2 Lightning Bolt 1 Lion's Eye Diamond 1 Liquimetal Coating 1 Mycosynth Lattice 1 Ratchet Bomb 2 Red Elemental Blast 1 Sundering Titan 2 Tormod's Crypt 1 Walking Ballista