Conviction Dragon, Chromejailer Dragon D-VS06/016 RRR

[ACT](VC)1/Turn:COST [Counter Blast (1) & Discard a "Conviction Dragon, Chromejailer Dragon" from your hand], look at the same number of cards from the top of your deck as the number of your open (RC), choose any number of unit cards from among them, call them to (RC), and shuffle your deck. [AUTO](VC):When this unit attacks, if all of your (RC) has a rear-guard, COST [Counter Blast (1) & Soul Blast (1)], until end of that battle, this unit gets [Power]+10000/[Critical]+1, and if your damage zone has four or more cards, it gets drive +1.