Covert Demonic Dragon, Kasumi Rogue

(This ability is active if you have four or more damage): 1 When a unit is placed on from your hand, you may pay the cost. If you do, search your deck for up to one card with the same card name as that unit, call it to as , and shuffle your deck.: 1 Choose one of your grade 2 or greater rear-guards, search your deck for up to one card with the same card name as that unit, call it to , shuffle your deck, and at the end of that turn, put the unit called with this effect on the bottom of your deck.