If we're gonna have Death's Dance and Hextech Gunblade...

One is AD based, the other is Hybrid-Based. Maybe we could get Will of the Ancients back? Make it pure AP and have the same passive as DD and HG. It would also be similar to an AP Bruiser Item that people keep talking about wanting.

Maybe Fiendish Codex, Kindlegem, and Amplifying Tome or something.