In the case of Graveborn Muse, The List version of this card started February as one of the more expensive versions available ($5, compared to the $3 Legions version and the $4 10th Edition version.) So it didnt start seeing heightened sales and price increases until after those other versions had already begun to rise, as players picked up this one-card draw engine for Zombie decks to go with Hashaton
Goldin says it was an "all-time record public sale for any Pokmon card."
Premium UV Shield Toploaders are made with a seamless frame, giving them a smoother finish, stronger structure, and a clearer view of the card without distracting lines
Apart from this, there is a physical clone as a trap card that has an effect close to the original doppelganger's will
2/2 creatures are really easy to deal with and they dont do so well in combat, something which has gotten more prevalent in recent sets as 2/2s for 3 have become majorly outclassed by even the vanilla creatures in modern sets