Conquering Supreme Dragon, Dragonic Vanquisher "VOLTAGE"

-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. :[Choose a face down "Conquering Supreme Dragon, Dragonic Vanquisher "VOLTAGE"" from your G zone, and turn it face up] Until end of turn, this unit gets ":When this unit's attack hits a vanguard, your opponent chooses one of his or her rear-guards, retires it, and you choose up to two cards from your opponent's drop zone, and bind them face up." and ":During your turn, all of the units in your front row get +3000 for each card in your opponent's bind zone.".