Ganymede81
First Post
All that remains is to collect various changes in mechanics.
First up, the crucial restriction on what to do when your Class and Background skills overlap.
If your background gives you a skill proficiency you have already, pick a replacement from your list of class skills. Only if you run out of class skills do you get to pick a skill freely.
The base rules for Backgrounds already allow you to freely swap out skill and tool proficiencies, languages, and features when you select your background. Your alternative here seems to weaken/narrow that. Why?