Detonate Volt Dragon

:If you have a grade 3 or greater vanguard with "Grhy" in its card name, [retire this unit], choose one of your vanguards, and it gets ":During the battle your unit with "Aundra" in its card name attacks, your opponent cannot play blitz orders from hand, and when they would call cards from hand to , they must call two or more at the same time." until end of turn.