Delcair the Wastelord

Infect
Sacrifice an Artifact: Delcair the Wastelord gains
Invulnerable until end of turn, you gain 2 life.
Whenever an artifact enters the battlefield or is
destroyed, create a Artifact token named Land
Pollution attached to target land. It has enchant
land and "enchanted land had Pollution (This
Land's controller loses 1 life anytime it's tapped
for mana.)
"Glistening oil purifies."