What are your best tips for learning riven?

Hey guys as the title says, What are your best tips for learning riven? I've been getting into her recently and practicing things like fast combo and just generally using my passive as much as possible but whenever I take her into norms I feel like a fish out of water. Anything helps from what you usually ban to more intricate nuances of how she works as a character. Also my average elo is around silver if that may help provide more context.