Terraformer

If Terraformer were to be destroyed or exiled, attach it to target Drone and destroy three lands. Place 3 Terraformed Lands under your control. They create colorless mana.
{x}Destroy X lands. Place X Terraformed Lands under your control. They create colorless mana.
No matter how devastated, no matter how inhabitable, these Drones will transform it into a forest of life.