Urza's Construction Drone is a rare Artifact Creature — Construct card from Alchemy: The Brothers' War (YBRO), collector number 29.
When Urza's Construction Drone enters, conjure cards named Urza's Mine, Urza's Power Plant, and Urza's Tower into your library, then shuffle. Whenever Urza's Construction Drone attacks or dies, seek an Urza's land card.