Obscurité infernale (Infernal Darkness) (fr)
Enchantment
(CMC 4)
Cumulative upkeep--Pay 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 instead of any other type.