Not to mention, if you're looking at an older core set card from before Sixth Edition , there may not even be an expansion symbol at all
They are joined by a number of other useful dragon related cards, and solid reprints, giving the deck the best monetary value of the bunch
2": Monsters your opponent controls lose 500 ATK and DEF for each "YoRHa" monster you control with a different name
Compare that to a standard holo rare from the same set, which might exist in quantities of hundreds of thousands or millions, and you start to understand why error cards can command such premiums
Its hard to kill plus makes combat miserable for the opponent, and its a 5-power flier
I think part of the appeal to me was my love of horror, which - as I described in my recent article talking about folk horror in Innistrad: Midnight Hunt - was something I was a fanatic of in my childhood years