Carlie, Villainess

Carlie, Villainess's power and toughness are equal to X.
Bloodthirst 3 (If an opponent was dealt
damage this turn, this permanent enters the battlefield with 3 +1/+1 counters on it.)
Persist (When this creature dies, if it had no
-1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)