Mistress Fanchon's special

Non-existant user wrote:

Who said anything about cheating? Honest mistakes happen, and it is quite easy to make one on this effect. Can you even guarantee that you never did it yourself, since nobody ever double-checked your play?

I only played Fanchon once in my life and never did the mistake.

If you're talking about a Lackey friendly game, I don't think there is much importance. If you are talking about a tournament via Lackey you can always show your hand to a spectator to confirm it's a minion card.

Anyway I would not say this is a key issue for the game.

I don't think it would ever be an issue, but if you don't trust someone, they could show you they action/reaction/combo/combat)modifier/ ally/retainer symbol. Or in absence of a judge, this isn't 1994 anymore, you can send a picture to someone and have them text confirmation to a skeptical party.

Edit: or build a better deck......