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