In my experience Staff is already a popular spell. If you make it a strength battery too it becomes a spell that everyone will take.
The most interesting spells and talents are not the ones people learn every time because they're really good, they're the ones that force players to think hard when deciding if they will learn them.
Historically and in neopagam religion lots of magicians carried a sword or dagger as a magical aid, in which context it was called an athame. Perhaps there should be a spell like Staff called Athame that allows a wizard to enchant a sword or dagger so that it doesn't impede spell casting. (Two-handed swords might count as one hand impeded, not sure how sword-plus-main-gauche should work.)
The talent Sword would still need to be purchased separately if you wanted to be effective in melee, so this would be an option that probably cost more in mIQ than IQ.
An issue: This only makes sense if the wizard had a respectable ST so (s)he can wield a sword with respectable damage. In RAW that's common but fST works against it.
Another issue: I don't know of anyone who would use an athame to stab someone.
This would be for all the players who grew up reading about Gandalf and Glamdring.