The rulebook refers to "playing" Band of Misfits. So you clearly played that.
Let's say I BoM a Militia. Can you Moat it? Yes, you better be able to Moat that. So, Militia was played. You played both cards.
Conspirator is a confusing case; obv. I am sad it doesn't just count Action cards in play like Peddler. Conspirator counts Actions, not "cards," which helps a little; two Actions were played, BoM and whatever. So, Conspirator sees "I played BoM as Village" as "I played two Actions." A rulings reversal.
I am still happy with my ruling on the tokens, you should get tokens for both, which leads to getting one for BoM and two for the other card when Throning.
There remains the weird special case for Throne - BoM - Feast. Possibly I should drop it; the people who are never guessing how it works are never seeing it either. I guess there's still the chance to make the call as to what it means to play a card that instantly stops being itself; maybe that's fine, it still does everything, therefore Throne - BoM - Feast means you choose the second time and successfully play whatever you picked.
Okay, I can't find any problem with this.
You're reversing BoM/Conspirator, and also revising TR-BoM-Feast. These are "old" rulings, but of course how many people are actually aware of them. It's good to have well-defined rules though, to put in FAQs, to be able to teach people and believe it yourself that it's making sense, and to (maybe eventually) get correct on Goko. (How does Goko handle these two cases now btw?) Anyway, that's why we're here talking about this.
So now BoM is played, then changes itself to another card and plays itself (from play). Conspirator counts two actions, and Champion gives +1 Action twice. Tokens on both piles activate. We can drop the "when-you-would-play-this" interpretation on BoM (which wasn't on the card anywhere), so groovy.
I'm also (not so) secretly pleased that TR-BoM-Feast now works the way I argued for several pages that is should back in the day. I didn't realize at first that BoM in the Trash would never turn into another card, and when I did I thought that was it; it's either nothing happens the second time or a special-case ruling. But I like the new interpretation that it resolves once you play it even though it immediately stops being itself. It's in line with how BoM-Feast works in the first place. You resolve the whole ability of Feast (so you gain a $5 cost card), even though it stops being Feast in the middle. You triggered the on-play of Feast, so you resolve it. Similarly, for TR-BoM-Feast, when BoM is in the trash and you choose Scout, you triggered the on-play of Scout (per "play this as if it was"), so you resolve it, even though it turned back into BoM immediately. It's also comparable to trashing BoM-Fortress or Inherited-Estate-Fortress: You triggered the when-trash of Fortress, so you resolve it, even though the card is no longer Fortress. In all cases the instruction disappears from the card, but it's already triggered.
And of course, the second time you play the card, it's (usually) not BoM, so no token bonus from the BoM pile.
Also, now we don't have to think of TR working any other way than what is literally on the card. It plays the card you chose a second time, so if the card is something else now, of course that's what's gonna be played. No more locking-in mechanism.