The Cloud

Whenever a creature attacks you, put a -1/-1
counter on it and put a residue counter on
each equipment attached to that creature.
Then, if an artifact has a number of residue
counters on it greater than or equal to its
mana value, its controller sacrifices it.
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"It's what blankets the Villa. You may smell it in the
air, copper and sulfur . . . Burns the lungs, seeps into
the skin. Deadly." — Father Elijah