[AUTO]:[Counter-Blast 1] When this unit 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, draw a card, you may choose up to three cards named "Duo Blue Marine Chateau, Thames" from your hand, and reveal them. If you reveal three cards, choose a card from your damage zone, and turn it face up.

EB10/013-B Black