Demon Prince

Flying, Trample, Haste
When you cast Demon Prince, you may exile all
Demon creature you control and in your graveyard.
Demon Prince deals X damage to target player or planeswalker, where X is the number of creatures exiled this way.
{b}{b}{r}{r}: Send one Demon card from your
library to your graveyard, then shuffle
your library. Chaos Prince deals 3 damage to any target.