Pitch Black Sage, Charon

:[Choose a grade 3 card from your hand, and reveal it] When this unit is placed on from hand, you may pay the cost. If you do, search your deck for up to one grade 3 card with "Blaster Dark" in its card name, reveal it to your opponent, put it into your hand, shuffle your deck, choose a card from your hand, and discard it. :While you are retiring your rear-guards for the cost of your unit's ability, if you have a grade 3 or greater vanguard with "Blaster" in its card name, retiring this unit may be regarded as retiring two rear-guards.