4 Karn, Scion of Urza 3 The Antiquities War 4 Zhalfirin Void 3 Scrap Trawler 4 Metallic Mimic 4 Spire of Industry 4 Merchant's Dockhand 4 Walking Ballista 2 Inventors' Fair 4 Aether Hub 4 Spirebluff Canal 4 Bomat Courier 3 Scrapheap Scrounger 4 Foundry Inspector 4 Chief of the Foundry 5 Island Sideboard 4 Blink of an Eye 1 The Antiquities War 2 Sorcerous Spyglass 1 Scrap Trawler 4 Metallic Rebuke 2 Aethersphere Harvester 1 Negate