OP05-077 [RP] Gamma Knife [B] [JP] (Possibly out of stock)

[Main] DON!! −1 (You may return the specified number of DON!! cards from your field to your DON!! deck.): Give up to 1 of your opponent's Characters −5000 power during this turn.
[Trigger] Add up to 1 DON!! card from your DON!! deck and set it as active.