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