[ACT](RC):If you have a vanguard with "Kaiser" in its card name, [COST][Soul-Blast 1 & retire this unit], search your deck for up to one card with "Kaiser" in its card name, ride it as [Stand], shuffle your deck, and until end of turn, when your opponent's rear-guard would be retired, bind it instead of retiring it. This ability may only be used by a card with the same card name once a turn.