Dust is to be blown away. Take care to not breathe it in.
[AUTO](RC):At the end of your turn, [COST][Soul-Blast 1], and retire all of your rear-guards in the same column as this unit. If you retired two units, choose one of your vanguards, search your deck for up to one card with the same name as that unit, reveal it and put it into your hand, and shuffle your deck.