Holy Dread Anathema

Vigilance, Demonic Sacrifice 1

If you have no Lesser Demon, Greater Demon or Archdemon Creatures on the battlefield, Holy Dread Anathema's now has Demonic Sacrifice 3

If you Summon a Greater Demon or Archdemon, Exile Holy Dread Anathema.

A difficult task, to corrupt their Holy Beasts. But no matter. If this shall be my rebirth, even the penitent and the holy shall fall to my song and shall be annhilated for my brother's return - Agmonnal, The Oracle