Grom, The Ironskinned

Menace, Trample, Battle cry (When this creature attacks, each other attacking creature gets +1/+0 until
end of turn)
Green and White Cows you control have protection
from Deathtouch
Damage done to this creature that is not enough
to kill it is reduced to 0.
{t}, {w}{w}{w}: Grom deals damage equal to it's power
to target creature you don't control.