Contamination - Urza's Saga

Contamination

Set: Urza's Saga (USG)
Card Number: 123
Condition: Near Mint
Printing: Normal
Language: English

Type: Enchantment

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.