To win games and be a good teammate who can hold there own

I’m good at the game want to play for a team and play with teammates around my level to win games. I mainly play wraith but I am also very good with caustic, Bangalore, mirage, and bloodhound. I am level 373 I would be higher but didn’t play any of season 4 in season 3 I made diamond and for season 5 I am currently in plat 3.