Lady Battler of the Gravity Well (G-BT03/037EN) [Sovereign Star Dragon]

[ACT](RC)[1/Turn] 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] This unit gets [Power]+4000 until end of turn.(The locked card is turned face down, and cannot do anything. It turns face up at the end of the owner's turn.)