CPU: G4560
GPU: GTX 1050 Ti
Motherboard: any h270m or b250m
RAM: 8gb DDR4 2400mhz
PSU: 450-500w just make sure it's quality. gonna be around the $50 mark
Case: something under $60
If you catch sales, you should be able to get that with a $500 USD budget.
search youtube g4560 gtx 1050 ti and tell us if you like that performance