Genesis Dragon, Basaltis Messiah (G-CB06/S01EN) [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. [AUTO](VC):[Counter Blast (1) & Choose a face down card from your G zone with the same card name as this unit, and turn it face up] When this unit attacks, if your heart card is "Messiah", you may pay the cost. If you do, choose a rear-guard and a locked card each from any players for each face up card in your G zone, and you may lock them or unlock them. If one or more cards were unlocked, draw a card.