Witch of Intelligence, Dehtail

:[?] When this unit is placed on , if you have two or more cards with "Witch" in its original card name on your , you may pay the cost. If you do, choose one of your opponent's with a rear-guard, your opponent reveals five cards from the top of his or her deck, chooses a grade 0 card from among them, calls it to that , and shuffles his or her deck. (A ? cost is paid by declaring that you are paying it)