Sometimes your champion will disappear after a round, forcing you to play someone else. Then it reappears after the next round, and can be put onto the field, however, once the match starts, it disappears again and pulls someone else from your bench.
This has happened to me three times, specifically after the carousel rounds.
Same thing happened to me https://cdn.discordapp.com/attachments/593507864878907422/596058111006212107/Screen_Shot_2019-07-03_at_2.10.19_PM_copy.png I had the other nobles and they disappeared and pulled the Lucians from my bench
