Steam Lynx, Adadoapura

:[ 1 & Choose one of your other rear-guards, bind it face up, and bind the top card of your deck face up] When this unit is placed on , if you have a vanguard with "Chronofang" in its card name, you may pay the cost. If you do, draw a card, this unit gets +3000 until end of turn, your opponent chooses one of his or her rear-guards, and puts it on the bottom of his or her deck. If your opponent did not put, you 1.