Sewer Champion

Whenever Sewer Champion attacks with power 2
or more, put a +1/+1 counter on it.
Whenever Sewer Champion attacks with power 4
or more, each creature who blocks this turn gets
-3/-0 until end of turn.
Whenever Sewer Champion attacks with power
6 or more, put a +1/+1 creature on each creature
you control.
{1}{g}{g}, {t}: Put a +1/+1 counter on Sewer
Champion.