True Eradicator, Finish Blow Dragon

-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. :[ 1 & Choose a face down card from your G zone, and turn it face up] Until end of turn, this unit gets ":When your opponent's rear-guard is put into the drop zone due to an effect from one of your cards, this unit gets +5000/ +1 until end of turn.", and if you have a heart card with "Gauntlet Buster" in its card name, your opponent chooses one of his or her rear-guards, and retires it.