3 Mishra's Foundry
4 Urza's Cave
4 Urza's Factory
4 Urza's Mine
4 Urza's Power Plant
4 Urza's Tower
2 Assembly-Worker
4 Cogwork Assembler
4 Expedition Map
4 Not of This World
4 Spine of Ish Sah
Sideboard:
4 Urza's Workshop