Hello!
I've made this pcpartpicker list for you: https://pcpartpicker.com/list/Mnc74q
Its a ryzen 7 build with 8 gigs of ram, and a GTX 1060 6GB, a simple case and a gold 80+ 650 w powersupply,
but.. the motherboard is not that expensive, but it 'might' needs a bios update for the second gen...