Nebula Dragon, Cyclic Dragon (G-CB06/017EN) [Rondeau of Chaos and Salvation]

[Stride]-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] Stride this card on your (VC) from face down. [ACT](VC)[1/Turn]: [Choose a face down card from your G zone, and turn it face up] Until end of turn, this unit gets"[AUTO](VC): [Counter Blast (1) & Soul Blast (1)] When this unit's attack hits a vanguard, you may pay the cost. If you do, choose one of your opponent's rear-guards each in the front and back row, and lock them.".