Blood Feaster Hydra

Blood Feaster Hydra enters the battle field with
X +1/+1 counters on it.
Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature
enters the battlefield with that many
+1/+1 counters on it.)
When Blood Feaster Hydra attacks you may have
it fight target creature you don't control.