Perdition Berserker, Preta

:When your opponent's rear-guard in ithe same column as this unit is put into the drop zone due to an effect from one of your cards, if you have a vanguard with "Perdition" in its card name, look at five cards from the top of your deck, search for up to one card with the same card name as a unit on your from among them, reveal it to your opponent, put it into your hand, and put the rest on the bottom of your deck in any order.