Beerus, Path of Destruction (P-173) - Promotion Cards

[Energy-Exhaust] (If this card is placed in an Energy Area from any area, it must be placed there in Rest Mode.)
[Permanent] This card can attack Battle Cards in Active Mode, and if there is a Red/Yellow multicolor card in your energy, reduce the energy cost of this card in your hand by 1.
[Activate:Main] [Once per turn] RY : Switch this card to Active Mode.