Chain Blast Dragon

[ 1 & Choose two grade 3 or greater Kagero from your hand, and discard them] Choose up to three of your opponent's rear-guards, and retire them. :[Choose one of your Kagerō rear-guards, and retire it] When this unit's attack hits a vanguard, you may pay the cost. If you do, look at up to five cards from the top of your deck, search for up to one grade 3 or greater Kagero, reveal it to your opponent, put it into your hand, and shuffle your deck. Lord