Demonic Monument

Demon spells you cast cost {1} less to cast.
Sacrifice a creature: Add {b}{b}{b} to your mana pool. Use this only to cast demon spells.
"I remember the fear I felt facing this grotesque sculpture, and the feeling that something inhuman
was resting at its feet. How its worshippers see this as
an illumination is beyond my comprehension"
-Edouard Noisette