Scorching Salamander

Scorching Salamander enters the battlefield with
X +1/+1 counters on it.
{r}{r}{t}: Put a +1/+1 counter on Scorching Salamander. Scorching Salamander deals 1 damage to you.
Detonate {x}{r} - ({x}{r}, sacrifice this creature: It deals X damage to any target. Activate this ability only if there are X or more +1/+1 counters on this creature.)