Close signed tasks, open follow-ups, carry revision notes. Every one is ready to run, and you can adjust it in plain language.
Reopen your artwork review task with the replacement proof.
Your reviewer gets a task ready to review, with the replacement proof and its version named in a comment.
Put revised artwork back in the review queue with its version clear.
Your revised proof cards return to review with the new version named and the next reviewer due date easy to find.