This prompt is a response to alcar and his comment:
“If I conjure up a fork as a utensil or to gouge someone’s eyes out, it won’t affect the nature of the fork itself.”
For today’s prompt, your lazy magician conjures up a hammer (for whatever reason–maybe he’s building a tree house). The problem is, he gets the wrong hammer. His utensil turns out to be totally evil. Like destroy the world evil. Now he has to deal with it.