User blog comment:Emptylord/Season 3 - PBE Patch Notes/@comment-3529242-20121118100039/@comment-5490997-20121118130952

I'm pretty sure it only works with auto attacks. The only thing I don't like about it is that melee supports practically can't use pickpocket. Sure they get 2 more gold, but they have to risk their lives to do so.

Who would you want a crit item on without AS then? And still Infinity edge + Atma's + Executioner's looks quite solid then. If you want 100% crit for "cheap" though I think the new Sword of the Divine active might be very useful. You won't have 100% crit all the time then, but when you do you're guaranteed to have them (I'm not sure if the CD will be short enough to allow for poking in the lane though).