Star-vader, Heliopause Dragon (G-BT08/070EN) [Absolute Judgment]

[ACT](RC)[1/Turn] Generation Break 1 : [Soul Blast (1)] If you have a vanguard with "Star-vader" in its card name, choose one of your opponent's locked cards in the back row, and that card cannot be unlocked during your opponent's next end phase. If a card was chosen, this unit gets [Power]+3000 until end of turn, and at the end of the turn, put this unit into your soul.