Who's.Who

[On Play] DON!! -1 (You may return the specified number of DON!! cards from your field to your DON!! deck.): K.O. up to 1 of your opponent's Characters with a cost of 3 or less.
[Trigger] Play this card.
Disclaimer: This card has been re-printed with new errata'd text as part of the Revision Pack cards series. This product page is for the original, pre-errata print of this card.