Ashna the Pyromaniac

Whenever Ashna attacks, she deals 2 damage to target creature an opponent controls.
{r}{r}: Deal 3 damage to target creature an opponent controls. Ashna gains +1/+0 until end of turn.
{r}{r}{r}{r}{t}: Destroy target creature an opponent controls. Target creature you control gets +2/+1 until end of turn.
Whenever Ashna blocks, target creature you control gains +1/+0 until end of turn.