Hardrod Dracokid

:Forerunner :[ this unit] Your opponent chooses a card from his or her drop zone, and binds it face up. If your opponent could not bind, you 1, choose one of your units with the thunderstrike ability, and it gets +3000 until end of turn. Thunderstrike 4(Active when your opponent's bind zone has four or more cards):[ 1 & Put this unit into your soul] Choose one of your units, and it gets +3000 until end of turn. Your opponent chooses one of his or her rear-guards, retires it, and binds it face up.