Dark Dragon, Phantom Blaster "Diablo" (PR/0453EN) [Promo Cards]

Stride [ACT](VC)[1/Turn]:[Counter Blast (1) & Choose a face down card named "Dark Dragon, Phantom Blaster "Diablo"" from your G zone, and turn it face up] If the number of face up cards in your G zone is two or more, until end of turn, this unit gets [Power]+10000/[Critical]+1 and "[AUTO](VC):[Choose three of your rear-guards, and retire them] When this unit attacks a vanguard, you may pay the cost. If you do, your opponent may choose two of his or her rear-guards, and retires them. If he or she does not retire two rear-guards, until end of that battle, your opponent cannot call cards from hand to (GC).".