i was just trying to practice my aims with ghost and then i just left the match cuz i was tired, and then when i come back on i cant join any games for 1 hour cuz i left "practice" match is there any way to do anything about this?

For a year I am playing Sage and haven't done any creativity, just like mid-wall, and block doors, I am bored doing this, what can I do, would I change my agent, I am not getting a good agent. I am confused and also want to rank-up. I will...