Mountainfolk
Languages. You know Common and two other languages of your choice.
Mountainborn. You're acclimated to high altitude, including elevations above 20,000 feet. You're also naturally adapted to cold climates, as described in chapter 5 of the Dungeon Master's Guide.
Artisan. You gain proficiency in two sets of tools of your choice, including musical instruments, non-artisan kits, and gaming sets.