Purojh, Terror of Consumption

Whenever Purojh enters the battlefield put a
-1/-1 counter on target creature. Whenever a
creature with a -1/-1 counter on it dies, put
+1/+1 counters on Purojh, Whenever Purojh
dies you gain life equal to its power and
opponents who control a creature with -1/-1
counters on them lose life equal to its power.
{t} put a -1/-1 counter on target creature.
Morph {b}