Nicole Brennan

Bestow{u}{b/r}: When Nicole Brennan is
removed from a creature, that creature's
controller sacrifices it.
When Nicole Brennan enters the battlefield as
a creature, look at the top card of target
opponent's library. You may play that card this
turn and spend mana of any color to cast it.
If Nicole Brennan is placed into a graveyard
from anywhere, return it to your hand.