Farnallah, Child of Flame

Flying, Indestructable
Farnallah, Child of Flame enters the battlefield
with X +1/+1 counters on it. If you pay 15 life
as it enters the battlefield, add 2 to X
{r}{r}{r}, {t}: Farnallah, Child of Flame deals X
damage to any target, multiplied by four, where
X is the amount of +1/+1 counters on it.
Born of fire, it knows naught but destruction.