:[Soul Blast (1)-card named "Docking Deletor, Greion" & Choose one of your rear-guards with "Deletor" in its card name, and retire it] Delete all of your opponent's vanguards. Your opponent chooses a card from his or her drop zone, and binds it face down (vanish delete).
: When this unit's attack hits a vanguard, you may pay the cost. If you do, look at five cards from the top of your deck, search for a card named "Docking Deletor, Greion" from among them, put it into your soul, shuffle your deck, choose a rear-guard in your opponent's front row, retire it, your opponent chooses a card from his or her drop zone, and binds it face down (vanish delete).