149. Gear have several Intrinsic Properties unique to them.
149.1. Gear enter play Ready.
149.2. Gear can only be played to a player's Base unless an effect specifies otherwise.
149.3. If an unattached Gear is at a Battlefield for any reason during a cleanup, then it is recalled to its controller's Base as a corrective action. See rule 449. Recalls for more information. See rule 318. Cleanups for more information.