User blog comment:Dragonzzilla/Champion Preview: Azir/@comment-5821479-20140826221611/@comment-8468980-20140827050910

at the moment every 1% CDR grants him 2% attack speed.

Obviously Athene's or Morello's will be good on him during the laning phase depenind on his mana usage. I'm not entirely sold on the idea of Nashor's, but if his minions proc on-hit effects (even if it's minus critical hits) it's an auto buy.