Reckless Apprentices

{b}{r}, {t}: Put a flame counter on target artifact, creature or land you control and target artifact, creature or land you don't control. Then put a flame counter on Reckless Apprentices.
At the beginning of your end step, if a permanent has three or more flame counters on it, destroy it.
"A fire sprite conjuring spell. Very pretty. Saw master perform it yesterday..."