ST04-003 CHARACTER Kaido

[On Play] DON!! −5 (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 6 or less. This Character gains [Rush] during this turn.
(This card can attack on the turn in which it is played.)

From The Animal Kingdom Pirates Deck