That would be awesome.
An option to 'loan' artifacts to alliance-mates would be nice. The artifact(s) can be made available to alliance-mates and whoever wants to use it can borrow it with an option available to the artifact's owner to retrieve the artifact when they choose as well as if they...
So would I.
An option to craft multiple artifacts (similar to fusing in the Council building) instead of painfully crafting artifacts one at a time in the current mind-numbing manner. Displaying 2-4 artifacts per craft would make it more fun and less of a chore than it already is.