The Demonic Thrones

At the beginning of your upkeep sacrifice a
creature. If that creature was not a token, put a
charge counter on The Demonic Thrones.
Creatures you control get +1/+1 for each charge counter on The Demonic Thrones.
{b}{r}, Remove a charge counter from The
Demonic Thrones, {t}: Chose one at random -
Create a 1/1 black Thrull token creature with
wither.
Create a 1/1 red Devil token creature with
menace.