Like someone made only the bits of a bee good for flying and stinging and joined them together--a little needle with wings. You could go more elaborate, if you like, but that's a waste of mana for something that'll hardly last a minute.

And, oh--a little piece of the Fade, broken off in its own shape for a time. Doomed to dissolve back into it soon enough, but tangible to anyone while it's around.

[Then a longing sigh.] Don't I know it. I'd give a lot to be a Witch for a day--maybe I've just got to Bond one that wouldn't mind taking direction on research.