Conviction of Humanity

Guide (Whenever another creature enters the battlefield, you may exile this permanent guiding that creature. When that creature leaves the battlefield,
return this card to the battlefield.)
Humans you control get +1/+1.
As long as the creature Conviction of Humanity
guides is a Human, that creature gets +2/+2, and
has "Whenever this creature attacks, if you
control another Human, draw a card."