Dark Dragon, Spectral Blaster "Diablo" (SP) (G-BT06/S02EN) (G-BT06)

[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]:[Soul Blast (1) & Choose a face down card from your G zone, and turn it face up & Choose one of your rear-guards, and retire it] Until end of turn, this unit gets "[AUTO](VC)[1/Turn] Generation Break 3 :[Counter Blast (2) & Choose two of your rear-guards, and retire them] At the end of the battle that this unit attacked a vanguard, you may pay the cost. If you do, [Stand] this unit, and this unit gets drive-2 until end of turn.", and if you have a heart card with "Diablo" in its card name, search your deck for up to one grade 1 card, call it to (RC), and shuffle your deck.