A short story which uses Memory Moths in a sci-fi setting. Props to Echomirage for the forum post that inspired the symbiotic Proxy Bug.
In a world where mutant powers are real, not everyone can be a Storm, Cyclops or Wolverine. Here's a list of super powers for those who were a little less lucky. They probably won't want to be sharing them anytime soon.
Animals have parasites and diseases, so do plants, there are even bacteria that cann dissolve oil spills or plastic or what have you - why couldn't there be a disease living off magic - a magic item could be infected, losing power and speading the plague to other equipment it contacts, while a magic user would slowly lose his powers and contaminate all he works with or casts a spell at...