I need ideas, help

okay so, I'm getting bored of league. i love the game but its getting boring to me, i need a champion to main and climb with, i own all the champs so i just need ideas, i tried maining Irelia, got bored, tried maining Yi, got bored, tried maining Elise, got bored. i need a FUN champion i wont get bored with, and can play with many many games to get out of silver. please give me ideas thanks in advance! ;3

tldr: I need a FUN champion to main ;)