A more relevant cause for a medal would be x amount of teammates you've won games with. Playing with the same teammates over and over is much easier than playing with new ones. (not that I know much about that but it says itself really
That was written on 2/16, and we have the teammate medal now. Go Gillipig!
As for this suggestion, support seems to have died down, there are concerns about rewarding farmers, less than 50% support from those who voted and I don't know if we'll see a second type of teammate medal coming out anytime soon. For all those reasons moving this to REJECTED