Colors Trap – Kingdoms of Intrigue (OP04)

[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 battle. Then, rest up to 1 of your opponent’s Characters with a cost of 4 or less.
[Trigger] Add up to 1 DON!! card from your DON!! deck and set it as active.