Does Kayle need a buff in S7?

Kayle relied a lot on the on-hit affects from Fervor of Battle but now with that being nerfed it has made Kayle considerablly weaker. With that being does she need a buff or a mini rework? A lot of people are now saying the AP and On-hit Kayle will be dead in S7 but instead crit Kayle will take over.
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