Mistress of the Sanguine Tithe

Noncreature spells cost {1} more to cast.
Whenever a player casts a spell, if the amount of
mana spent to cast that spell and that spell's
mana value are unequal, that player loses life
equal to the difference.
The Orzhov waste none of their expired debtors' parts.
The spirit is indentured into servitude, the bodies
thrown to the thrull-pits, and the blood is taken by the vampires.