Heroic Saga Dragon (G-BT03/030EN) [Sovereign Star Dragon]

[AUTO](VC) Generation Break 1 (This ability is active if you have one or more face up G units in total on your (VC) or G zone):When this unit attacks a vanguard, your opponent may choose one of his or her rear-guards, and retire it. If he or she does not, until end of that battle, this unit gets [Critical]+1, and "[AUTO](VC):At the beginning of the damage step of the battle that this unit attacks, if the number of your opponent's guardians is one, choose one of your opponent's guardians, retire it, and that unit's effects with "cannot be hit" is nullified.". [AUTO](VC):[Counter Blast (1) & Soul Blast (1)] When this unit is placed on (VC), you may pay the cost. If you do, choose one of your opponent's grade 1 or less rear-guards, and retire it.