Eradicator, Dragonic Descendant

:When you would ride this card, if your vanguard is a unit with "Eradicator" in its card name, this card is placed with all of their abilities until end of turn. /: 1, choose one of your opponent's front row rear-guards, bind it, your opponent chooses one of his or her back row rear-guards, and moves it to an open front row . :When its attack does not hit, [ 1 & discard a card from your hand], this unit, and it gets drive -1 until end of turn.