Tainting Mists

Enchant Forest
Whenever enchanted Forest is tapped for mana,
its controller adds {b} to their mana pool and loses
1 life.
"Behold! The dreadful lord of plagues is now upon
you! His darkening vapors contain mysteries of evil
too dreadful for your kind to imagine or bear! Submit
now, and be spared agonizing death!" - Herald of
Luspex