Secondary Main Recommendation

I recently got into this game and have been enjoying it so far. I started ranked about a week ago and am close to reaching silver. However, im a bit of a one trick. The one character that j have way more experience and mastery on than any other is Kayn (i play jungle). I can do pretty well with him, but recently hes been being banned or picked, and i am not nearky as good at any other champ. I also play khazix and talon but theyre playstyles are different and I dont do nearky as well on them as I do kayn. Does anybody have a champ recommendation for me? Hopefully someone similar enough to kayn where I can understand the fundamentals.