Hunter's Machete.
In reaction to the Vi buff, I thought, "oh cool, that'll come in handy." In reaction to the fact they've had to buff a bunch of junglers' sustain in the jungle, besides her I'm thinking:
What if it's not the champion that's the issue? Machete doesn't give much sustain at all, so the champions with their own heals and shields and lifesteal dominate camps and can then go out and gank.
So how hard would it be to code %20 Lifesteal and Spellvamp against only monsters?