PSA Borderlands 2 + Season Pass is available on GMG for pretty cheap
http://www.greenmangaming.com/s/us/en/pc/games/rpgs/borderlands-2-and-season-pass/
Use code GMG10-VTTCS-VYH18 for another 10% off
http://www.greenmangaming.com/s/us/en/pc/games/rpgs/borderlands-2-and-season-pass/
Use code GMG10-VTTCS-VYH18 for another 10% off