Weakness...Is an Unforgivable Sin. (OP04-076) - Kingdoms of Intrigue

[Counter] DON!! -1 (You may return the specified number of DON!! cards from your field to your DON!! deck.): Up to 1 of your Leader or Character cards gains +1000 power during this turn.
[Trigger] Add up to 1 DON!! card from your DON!! deck and set it as active.