What if minions earned gold and could be upgraded.

For example, every time a minion gets a kill on another minion, your team's, minion's gold reserve builds up. It could be something as simple as every 200 gold, you can upgrade their dmg/armor/mr/health a very small amount. For example, 200g spent would increase their AD by 1, their health by 5, their armor by 1, etc. No refunds. It could add a little diversity to the game as far as how youre building the minions to push with the team comp you have. It was a shower thought