Lady Gunner of the Neutron Star

(This ability is active if you have one or more face up G units in total on your or G zone):[Choose one of your other rear-guards, and lock it] When this unit is placed on or , 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.)