Infernal Darkness

Cumulative upkeep—Pay {B} and 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

If a land is tapped for mana, it produces {B} instead of any other type.

"I thought the day had brought enough horrors for our ragged band, but the night was far worse." —Lucilde Fiksdotter, leader of the Order of the White Shield