Blowfly Infestation

Enchantment, 2B (3)

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

When the giant Tollek Worldslayer fell, a corruption erupted from his corpse to carry on his name.

Illus. Drew Tucker

Gatherer Card Rulings?, Legality?

• 5/1/2008: When Blowfly Infestation's ability resolves, it will put a single -1/-1 counter on the targeted creature. It doesn't matter how many -1/-1 counters were on the creature that went to a graveyard as long as it had at least one on it.
• 5/1/2008: This ability is mandatory. If you're the only player who controls any creatures when this ability triggers, you must target one of them.

• Legal in Vintage (Type 1)
• Legal in Legacy (Type 1.5)
• Legal in Classic (MTGO)
• Legal in Commander
• Legal in Modern