Question Upgraded Build advice

[Mario'06]

Hi! I want to build a system that can do low-med 900p 60fps gaming for about 3-4 years at least, I already have a CPU, RAM, and HDD, and about 200 USD, and it has to be am4,any reccomendations for case, mobo, and gpu?

 

[Obakasama]

What CPU and RAM do you already have?
You don't mention a PSU either.