Play this with [COST][Energy-Blast 2] if you have a vanguard with "Frieren" in its card name and your opponent's vanguard is grade 3 or greater! Choose a column, retire all of your opponent's rear-guards in that column, choose one of your vanguards, and until end of turn, it gets "[CONT](VC):All of your front row units get [Power]+5000.", and [Critical]+1.