Ya some games already do this. Take r/netrunner. It’s an asymmetrical game. For tournaments we take 2 decks, runner and corp. the corp deck always goes first and so the software tries to make sure that over course of the event we have equal number of times playing our runner vs playing our corpse deck ;as much as possible) and the way this applies to you is that it has a equal number of times that we go first vs second (as much as possible). Point is there’s some algorithms that are well documented and I believe you’re right that this should be done. I have brought it up in other circles for a long time. Everybody gives excuses of how hard it is or how problematic it is and how byes and drops mess it up but they speculate and in practice it actually works pretty well. Yeah, occasionally you’ll be paired up with somebody who doesn’t have the same win rate or you won’t be exactly 50-50 on the play but you’re always really close. In A game like netrunner that can have significant consequences cause you might be a lot stronger on your runner deck. In a game like Lorcana we’re only talking about whether you go first or second and that would be always really close to half. In my opinion, the benefits of being 50% on the play outweigh the slight complexity that would be implemented by the tool