The Demon Queen

Flying, Indestructible, Ward - pay 3 life.
Sacrifice a demon creature: Exile target spell,
that spell's controller loses life equal to the sacrificed demon's power.
{2}{u/r}{u/r},{t}: Shuffle a non land permanent you
control into its owner's library. Create an X/X
black demon creature token, where X was the permanent's mana value.