Mythical Destroyer Beast, Vanargandr (RRR)

[Stride] (Released when both players' vanguards are grade 3 or greater!)-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) Generation Break 2 (This ability is active if you have two or more face up G units in total on your (VC) or G zone):[Soul Blast (6) & Choose a face down card named Mythical Destroyer Beast, Vanargandr from your G zone, and turn it face up] When this unit attacks a vanguard, you may pay the cost. If you do, until end of turn, this unit gets [AUTO](VC):At the beginning of your drive step, look at four cards from the top of your deck, search for up to four cards from among them, put them on the top of your deck in any order, and put the rest on the bottom of your deck in any order..