zed rework idea

So with the upcoming assassin rework I was thinking about zed. What makes zed so annoying is his ult mark. What if they changed his ult to throw out another shadow and it lets you switch between shadows limitless for a certain amount of time. Maybe it would increase his damage done by like 20%. Just an idea but I think it would make zed super fun and make him all about out playing your opponent instead of ult e q and they dead