Emperor of Mankind

When Emperor of Mankind enters the battlefield,
put three +1/+1 counters on all Humans.
Indestructible, Hexproof, Defender
{3}{w}, {t}: up to 3 target Human creatures you
control cannot be blocked until the end of turn.
Put two +1/+1 counters in them.
Far past his prime, The Emperor still guides humanity,
even if unwillingly.