Anyway, I found that the short description of dance of the nightmares has a typo, “Mightmare Rarity”
(it’s also not immediately clear why it’s “selfcest”/“self paradox” - I guess going on the idea that Nightmare is an external entity?)
@Background Pony #78AE
Fixed. I assume the conclusion you’ve reached is why those tags were added, I’m not familiar with the context of those comics myself.