Blowfly Infestation
Shadowmoor — Uncommon
Enchantment
Sets Blowfly Infestation has been printed in:

Shadowmoor — Uncommon
Enchantment
Sets Blowfly Infestation has been printed in:

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Creature — Horror (8/8)
Grief Tyrant enters with four -1/-1 counters on it.
When Grief Tyrant dies, put a -1/-1 counter on target creature for each -1/-1 counter on Grief Tyrant.
Creature — Human Warrior (2/2)
When Banewhip Punisher enters, you may put a -1/-1 counter on target creature.
, Sacrifice Banewhip Punisher: Destroy target creature that has a -1/-1 counter on it.
Artifact
Serrated Arrows enters with three arrowhead counters on it.
At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it.
, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.
Artifact
Trigon of Corruption enters with three charge counters on it.
, : Put a charge counter on Trigon of Corruption.
, , Remove a charge counter from Trigon of Corruption: Put a -1/-1 counter on target creature.
Creature — Insect (4/5)
When Decimator Beetle enters, put a -1/-1 counter on target creature you control.
Whenever Decimator Beetle attacks, remove a -1/-1 counter from target creature you control and put a -1/-1 counter on up to one target creature defending player controls.
Creature — Zombie (1/1)
When Festering Mummy dies, you may put a -1/-1 counter on target creature.
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