When You Try Playing Not Your One Trick Champion

I was in draft trying to play a game as . I told my team to not ban Darius as he was my backup. My team banned and the enemy team banned , but not . So I fell back on my main . Then I carried the game to victory and was in so many consecutive teamfights that I had 3800 gold, but could not back, for my team kept engaging. We won before I completed a single item beyond . I want to learn new champions, stop making me play off meta, I want to play a single meta game by the end of the year.