Conquering Supreme Dragon, Dragonic Vanquisher "VMAX"

-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] this card on your from face down. Thunderstrike 5: 2 At the end of the battle that this unit attacked a vanguard, if your opponent has no rear-guards, you may pay the cost. If you do, choose one of your opponent's vanguards, and deal one damage. :When this unit attacks a vanguard, choose one of your opponent's for each face up card with "Vanquisher" in its card name in your G zone, and this unit battles both the vanguard and the units on the chosen in one attack.