You're not going to find a scene like this on any of the Greg Lansky websites. First off, Vixen and Tushy usually will have the White guys. Blacked and Blacked Raw are with the Black guys. Maybe Deeper or with
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's Muse? But again to find four pornstars together: two white girls, one white guy, and one black guy? Probably not. Even Dogfart, known for interracial gangbangs, with Shane Diesal hasn't used a white guy over there in over a decade.
Look at Isiah Maxwell's scenes at the iafd and at data18. If you can find a screen share with a white guy chances are you're going to find a foursome with two white girls.