Razer recently started a Squad Rewards competition, where you can join/create a squad of up to 4 players, accumulate gameplay time and redeem prizes. I still don't fully understand all of it, like how long it goes for. Unfortunately, Battlefield 2 isn't a supported game, but Battlefield 3, 4, V and 1 are supported (among other games).
It's part of Razer's Silver dollars rewards program, which requires quite some effort to get enough (before they expire in 1 year) to redeem something, such as games, Razer peripherals & apparel. However, there is the "Redeem & Win" which changes monthly and usually has more than 1 item available to win and is easily achievable to purchase a ticket/entry.

Thanks for sharing man

Staff Officer S_h_a_r_k_93