[Counter] Choose and use one of the following three.
Choose up to one card on your opponent's field for each different"Black Dragon "[Set] on your field, and[Rest] them.
Choose up to one card on your opponent's field for each different"Black Dragon "[Set] on your field, and destroy them.
Choose up to one card on your opponent's field for each different"Black Dragon "[Set] on your field, and for this turn, the chosen cards get critical-3!