2 Karn, Scion of Urza 4 Spire of Industry 1 Hope of Ghirapur 3 Vault Skirge 4 Inkmoth Nexus 4 Signal Pest 4 Mox Opal 3 Galvanic Blast 2 Etched Champion 2 Memnite 4 Steel Overseer 1 Master of Etherium 4 Springleaf Drum 4 Cranial Plating 4 Darksteel Citadel 4 Blinkmoth Nexus 4 Arcbound Ravager 1 Welding Jar 4 Ornithopter 1 Snow-Covered Mountain Sideboard 2 Damping Sphere 2 Ghirapur Aether Grid 2 Stubborn Denial 2 Rest in Peace 2 Whipflare 1 Etched Champion 2 Thoughtseize 2 Ancient Grudge