[AUTO][Generation Break 1](This ability is active if you have one or more face up G units in total on your (VC) or G zone):[Choose one of your other rear-guards, and lock it] When this unit is placed on (VC) or (RC), you may pay the cost. If you do, choose one of your opponent's rear-guards, and lock it. (The locked card is turned face down, and cannot do anything. It turns face up at end of the owner's turn.)