Make Ranked Matches Cost IP
Short version: trolls don't care about LP. Lets give them something to care about.
That's right. You read the title correctly. Now before you go on and bash me for such a silly idea, let's just think about this for a second. This might be the best way to finally get rid of trolls and afk's. Players would think twice about rage quitting since their precious IP is on the line.
It also gives IP some value for those of us who no longer need it. If you find yourself in a losing streak, it'll be easier for you to stop playing since you're also losing IP. What do guys think? Will it force people to take ranked more seriously since they're actually investing currency to improve their rank?
Let's come up with a ballpark number. I say anywhere from 50-100 IP sounds reasonable.