There is an example arena as DEMO + FROST mage VS WP 2.2+ MMR:
https://www.youtube.com/watch?v=G-EoSiorePs
Subscribe/Follow and I can promise that you will never see any similar content!
YouTube:
https://www.youtube.com/watch?v=G-EoSiorePs
Twitch:
https://www.twitch.tv/rikmeyzter_tv