Star-vader, Strange Dragon (G-CB06/011EN) [Rondeau of Chaos and Salvation]

[AUTO]:When this unit is placed on (RC), if you have a vanguard with "Chaos" in its card name, until end of turn, this unit gets"[AUTO](RC): When this unit attacks or boosts, if it is an attack that a vanguard is being attacked, your opponent chooses one of his or her rear-guards, and locks it. If he or she could not lock a unit, this unit gets [Power]+5000 until end that battle.". [CONT](RC) Generation Break 1 : If your opponent has a locked card, this card gets "Boost".