Rosa Parks the Defying

Haste, Deathtouch, and Lifelink
Protection from white
Whenever Rosa Parks the Defying enters the
battlefield all nonland white permanents are
sent to the bottom of their owners library
{t}{2}-Look at the bottom card of your library
if it is a black creature card you may play that
card without paying its mana cost and if it wasn't
then Draw a Card