Contamination 178 (Mystery Booster 2) - Foil

At the beginning of your upkeep, sacrifice this enchantment unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount.

NM - $71.30
LP - $57.10
MP - $42.80
HP - $28.60
DMG - $14.30