I think some sort of alternative positive feedback for playing bots would be a good idea.
Some ideas:
1) Campaign progress
2) Recording your wins / losses
3) Bot only leaderboard
4) Win X games, unlock access to a promo card
5) In game achievements, Councilroom style.
Some ideas:
1) Campaign progress
2) Recording your wins / losses
3) Bot only leaderboard
4) Win X games, unlock access to a promo card
5) In game achievements, Councilroom style.