Belrocka, Destroyer of Worlds

Whenever you attack with Belrocka,
Destroyer of Worlds, you may pay {b}{b}.
If you do, give it +8/+0 and trample until
the end of the turn. Sacrifice it at the end of
combat. Then if you control three or more
Demons besides Belrocka, Destroyer of Worlds,
shuffle it into your library. Otherwise, Exile it.
Haste, Flying, Hexproof
I drench in the blood of my victims.- Belrocka