Koffing

You may cast Koffing from your graveyard by losing a poison counters in addition to paying its mana cost to cast it.
When Koffing enters the battlefield, put a -1/-1 counter on each creature with -1/-1 counter. Flying, infect.
Koffing can't have -1/-1 counters placed on it.
{p/r}, Sacrifice Koffing: Put a -1/-1 counters on each nonartifact creatures that is not both green and black. Koffing deals 3 damage to
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