Your search for "Blowfly Infestation 46" revealed the following:
Blowfly Infestation (SHM) from Shadowmoor, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Drew Tucker Card Text:Whenever a creature is put into a graveyard from play, if it had a -1/-1 counter on it, put a -1/-1 counter...
Blowfly Infestation (ECC) from Lorwyn Eclipsed Commander, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Caio Monteiro Card Text:Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.
Blowfly Infestation (Foil) (SHM) from Shadowmoor, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Drew Tucker Card Text:Whenever a creature is put into a graveyard from play, if it had a -1/-1 counter on it, put a -1/-1...