Low-elo champions?

Im gold, and I want to climb, I want to try those "noob" champs, that's easy, cheap, and good in low elo (I main jungle/supp mostly, but can play every lane decently imo) I currently main Lee Sin with 36 games played, 61% win rate in ranked, but I would like some tips on what's good right now, I personally have been looking into Amumu now after the buff, and it's going quite well. ------------------------------------- Here's my profile on lolskill if anyone want to check my winrate -> http://www.lolskill.net/summoner/EUNE/C9%20LynX/champions
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