I think that shifts it too much.
I would just make the main race and the give then a feature and possibly ability score boost based on an aspect choice. The ability score boost would disseapear unless you chose the same aspect again.
Would make them very unique. Just off the top of my head...
Ancient
+1 Int
You have expertise whenever you make intelligence checks to recall information or lore. This doesn't stack with other forms of expertise.
Destroyer
+1 Str
Your attacks ignore resistances to non-magical weapons.
Hunter
+1 Wis
Once per short or long rest you may use an action or bonus action to sense nearby enemies. When you use this ability as an action you learn the number of creatures within a mile of you of a certain type. If you use this feature as a bonus action the range is limited to 30'. This feature doesn't tell where they are at, just that they are present