[AUTO](RC):[Counter Blast (1) & Put this card on top of your deck] When another of your units is returned to your hand from (RC), if you have a vanguard with "Duo" in its card name, you may pay the cost. If you do, search your deck for up to one card with the same name as the unit returned to hand, reveal it to your opponent, put it into your hand, and shuffle your deck.