The Chosen One

When The Chosen One enters the battlefield,
exile a creature you control.
Coven — At the beginning of your upkeep, if you
control three or more creatures with different
powers, you gain 1 life and put an enlightenment
counter on a creature exiled with The Chosen
One.
{w}, {t}, Sacrifice The Chosen One: Return a card
exiled with The Chosen One to the battlefield
with 2 +1/+1 counters for each enlightenment
counter on it.