Blue Deathster, "Skyrendriver" Avantgarda Richter

[ACT](Hand):If your opponent's vanguard is grade 3 or greater, [COST][reveal this card & bind a "Blue Deathster, "Skyrender" Avantgarda" from (VC)], ride this card as [Stand], and until end of turn, it gets all of the original [ACT] abilities of the card bound for this cost. [AUTO](VC):At the end of the battle this unit attacked, if your soul has a "Blue Deathster, Sora Period", [COST][discard two cards from hand], choose a "Blue Deathster, "Skyrender" Avantgarda" from your bind zone, ride it as [Stand], and it gets [Power] +10000/drive -1 until end of turn.