Like the title says it's for gaming. Like minecraft tf2 cs go and overwatch
You'd most likely be better off buying a pre built PC. There's virtually no way that I or anyone else can give you a rig that can run those games well. Up your budget a bit and then ask again
With extensive rebate abuse, assuming you only need the box (no OS, monitor, or peripherals), I can just barely get something which you could call a gaming build if you squinted.
Seriously: there are budget-oriented graphics cards which cost $200. You aren't going to get much on that budget.
EDIT: And I should emphasize: to get something acceptable for gaming, you really want to be looking at a larger budget... and that's assuming you don't need to buy Windows. If you do... honestly a prebuilt may be the better option, since big manufacturers almost certainly get discounts on bulk Windows OEM licenses.
PCPartPicker part list / Price breakdown by merchant
Rebates are worthless. You are $50 over his budget
Here's something: http://pcpartpicker.com/p/tGVsTW
It's not good and it's not really gaming but...whatever
I wouldn't wish that PSU on my worst enemy. The only positive thing I can say about the N1 is that it isn't an outright fire hazard.
I never said it was a good PSU.
In fact the whole build is crap...I know.
I would much rather go with the CX430 but I wanted to hit right on the dot for his budget.