Favorite Tags works well to jump straight to required lists, but there is need of multiple tags filtering with expressions.
This is achievable in search box, e.g.
But those extremely useful filtering features are not supported in favorite tags.
If this is something possible to be added anytime in the future, and if people believe that this is handy?
Ignored Tags, almosts do what is required but it only fades out the questions that matches ignored tag, while if you search with query as above, then it filters off those tags as well.