User blog comment:Zilla4444/Rabadon/InfinityEdge for hybrid champions/@comment-212.184.91.98-20121025082652/@comment-5009341-20121025095423

^the balance of many champs is itemdependend, thats why dont wont to do it now.

but,

1. the communities desire might grow so much that they have not really another option

2. riot wants to create diversity in the game, giving an itme for another class will help this purpose

,so they will release something like that eventually

on the other hand u are right, riot is to busy with other stuff to think about an item which will change the entire game