4 Karn, Scion of Urza
1 Cast Out
4 Walking Ballista
1 Thopter Arrest
4 Scrap Trawler
4 Heart of Kiran
4 Metallic Mimic
3 Spire of Industry
4 Inspiring Vantage
4 Bomat Courier
4 Scrapheap Scrounger
4 Toolcraft Exemplar
1 Inventors' Fair
4 Aether Hub
4 Concealed Courtyard
4 Chief of the Foundry
6 Plains