Conquering Supreme Dragon, Conquest Fulgurate

:[Turn a card from your G zone face up & discard a card from your hand], choose the same number of your opponent's rear-guards as the number of face up cards in your G zone, retire them, bind them, and all of your units get +1000 until end of turn for each card in your opponent's bind zone. If your opponent's bind zone has seven or more cards, until end of turn, this unit gets drive+1, then, if it has ten or more cards, it gets +1.