I have already built a Commander deck around New-Sheoldred and it includes Mono-Black Group Hug like Howling Mine, mass card draw like Dark Deal, and lifegain matters cards like Vito
however without knowing any other details about your own set or where it might have come from (ie: manufacturer), one could easily mistake these fakes for being real unless told otherwise directly onto close inspection Real or Fake
It is high at 5cmc though
Pokmon TCG: Scarlet and Violet, Twilight Masquerade is a master course on how to spice up a trading card game without breaking it
The only way Elbrus, the Binding Blade could be playable is if someone stapled a massive 13/13 Demon to the back of it that had flying, intimidate, and trample, and doubled in size when a player lost the game
It took more than just opening an envelope: you had to be an active part of the competitive community, answer complex questions about the rules, and meet very specific criteria