ST04-016 Blast Breath [F] [JP] [RP]

[Main] K.O. up to 1 of your opponent's Characters with a cost of 4 or less.
Then, if you have 2 or more DON!! cards on your field, K.O. up to 1 of your opponent's Characters with a cost of 2 or less.
[Trigger] K.O. up to 1 of your opponent's Characters with a cost of 4 or less.