Bishop of The Wheel

At the begining of combat on your turn you
may exile a nonland card from your graveyard.
Discard a card: Return target card exiled with
Bishop of The Wheel that you own to your
hand. Activate this ability only any time you
could cast a sorcery.
"Your sanity is a small price to pay for knowledge,
power, freedom, and a purpose. Wouldn't you say?"