Magic: the Gathering - Datenbank

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