Sartuhn, Glory Apostle

Flying, Deathtouch, Lifelink, Trample, Impulse
Sartuhn, Glory Apostle's power and toughness
are both equal to the number of creatures on the
battlefield.
{3}{w}: Target attacking creature gains +4/+4 and
vigilance. Activate this ability only once per turn.
Partner with Grinten, Pain Apostle.