Beginners often get confused by Parallel cards because they look like completely different cards even though they are the same card. Even if the card number is identical (e.g., OP01-003), check for the star mark and differences in artwork or framing
From Nobody to Nightmare: He used to be a spy from Kul-Elna trying to get information on the buried treasures of the royal tombs, but after learning of how his people were slaughtered, he became a horrific monster, his own mind becoming the same as the ka he spawned, and after being sealed and then freed in the modern-day, condemns hundreds of duelists to a Penalty Game of eternal darkness
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You are rarely neutral about it
Just look at this How does one evaluate a card like this in a draft where you can also open Sol Ring, Swords to Plowshares, Flash, Ancestral Recall, The One Ring, Ragawan, Force of Will, Lightning Bolt and all the other very, very powerful cards that are in the Vintage Cube