Avatara, the Eternal Flame

Flying, haste
This creature enters the battlefield with
+1/+1 counters equal to your devotion to red.
Remove a +1/+1 counter from this creature:
add {r} equal to this creatures power plus its
toughness. If this creature dies, if it had no
counters on it, return it to the battlefield at
the beginning of the next end step.