By Chris Herring With the Raptors gaining momentum against the 76ers, if ever there was a perfect time for him to take over and dominate, it might be now. Hours before Game 5 of the Raptors-Sixers series began last night, Philadelphia guard James Harden walked into the Wells Fargo Center wearing a green-camouflaged outfit from his collar all the way down to his navy green boots. With Harden blending in with the greenery surrounding the arena, the Sixers’ Twitter account used the photo of the nine-time All-Star and former MVP. “Where is @JHarden13¿” it asked. The tweet, and its question, would …