Card Ability

■ [Call Cost] [Pay 3 gauge & Destroy a «Black Dragon» on your field] ■ When this card enters the field during the final phase, destroy all monsters on the field other than this card. ■ If there are six or more cards in your opponent's drop zone, this card gets critical+3! Then, if there are twelve or more, this card's attack cannot be nullified if it is attacking alone!