Machining Scatter Horn

/:When placed from hand, look at six cards from the top of your deck, reveal up to one non-grade 2 card with "Machining" in its card name from among them, put it into your hand, and shuffle your deck. If you put a card into your hand, put a card from your hand into your soul. /:[ 1 & Rest] a rear-guard with "Machining" in its card name], choose one of your opponent's rear-guards, and that unit cannot during your opponent's next stand phase.