Matchmaking is horrible. Especially when you are playing blue deck in the color mode. Yes, the game does not allow you to progress for 2 reasons : 1) Matchmaking - the end of each color round is a PvP match and the Matchmaking is horrible. 6 consecutive defeats for someone trying to get into the game? No thanks! 2) 7th game - on the verge of winning and then the game hangs? Experienced this 4 times in 4 hrs. Had initially uninstalled for the same reason and no improvement since then!