Dark Device (Active when your opponent has no units in the same column as this unit): When this unit is placed on or , you may pay the cost. If you do, choose one of your opponent's rear-guards in the same column, and that unit cannot during your opponent's next stand phase.
Generation Break 1 Dark Device:When this unit is placed on , choose one of your opponent's rear-guards, and that unit cannot during your opponent's next stand phase.