Apterus, of the Holy Pyre

{x}{w}{r}: Apterus, of the Holy Pyre deals X damage to all creatures target opponent controls. Apterus, of the Holy Pyre gains a +1/+1 counter for each creature that died this way.
When Apterus, of the Holy Pyre dies you may distribute +1/+1 counters that were previously on Apterus, of the Holy Pyre among creatures you control.