He seems good but not much different from old rengar I think. I don't know much about rengar so I leave it to the experts of MOBAFire, but I upvoted your question so others see it. Also, be sure to check out the amazing guides on the site, I am sure hardworking guide writers made one just for you :)
I hope you find the answers to your questions!! :)
I hope you find the answers to your questions!! :)