Rat War-crier

Trample, Flash, Deathtouch, Firststrike
When Rat War-crier enters the battlefield creatures you control gain +2/+2, Trample, Deathtouch, Firststrike.
{3}{b}{b}: Create three 1/1 rats with deathtouch. Put a +1/+1 counter on each creature you control.
{2}{b}{b}{b}: Exile Rat War-crier and put it back onto the battlefield with twice the amount of +1/+1 counters it had.