Duskblade

Its not a good item to get on AP burster but in other cases, Its actually not that expensive.......in fact, its quite gold efficient for AD champions to rush because it provides extra dmg in an all-in if you have the passive ready to use. I've been experimenting it on specific adcs like lucian because it is a somewhat snowball-y item if used properly.

There are some APs who have AAs as part of their burst combo like