"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

Absolute Dunkelheit

Kumulative Versorgung: {B} und 1 Lebenspunkt
Alle Mana produzierenden Länder produzieren {B} anstelle ihres regulären Manas.

Oscuridad infernal

Obscurité infernale

Oscurità Infernale

Escuridão Infernal

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

Masters Edition II

Cumulative upkeep—
Pay {B} and 1 life.
If a land is tapped for mana, it produces {B} instead of any other type.

Ice Age

Cumulative Upkeep: o
B and 1 life
All mana-producing lands produce o
B instead of their normal mana.

This effect changes the type of mana produced, but not the amount. For example, if a land that's tapped for mana would add {W}{W}, it adds {B}{B} instead.