Study the Darkness

When Study the Darkness enters the battlefield, search your library for a card and put that card into your hand, then shuffle. If it was a black card, each opponent loses 2 life and you gain 2 life.
Whenever you cast a black spell, draw two cards.
"All knowledge is good; no field of study should be forbidden by law."
-Magister Barrison, to the Kingshome Parliament