Check out this video as it explains in detail how you can match up with the team you want. This helps you host friendly or competitive matches. Many may know of this already, but this shows the exact details you'll have to watch out for when matching up with someone deliberately. Nevertheless, it is still tedious and the request for Bungie to implement private/custom matches is still at the [b]very, very top[/b] of many people's wishlist! Private matches would be a huge enrichment to the PvP!