Conquering Supreme Dragon, Conquest Dragon (RRR+SP)

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.
[ACT](VC)[1/Turn]:[Choose a face down card named Conquering Supreme Dragon, Conquest Dragon from your G zone, and turn it face up] If the number of face up cards in your G zone is two or more, choose one of your opponent's rear-guards in the front row, retire it, and all of your units in the front row get [Power]+5000 for each of your opponent's open (RC) in the front row until end of turn.