Crusade of the Holy Auspex

Spirits you control get +1/+1 for each card exiled with Crusade of the Holy Auspex.
At the beginning of each upkeep, exile target creature. Return it to the battlefield tapped under its owner's control at the beginning of your next end step.
{1}{w}{b}: Exile target creature you control. You gain 2 life and each opponent loses 2 life.