Cards that are labelled 1995 were distributed in Japan in 1997 and refer to the year they were copyrighted
By discarding a card with Madness, she untaps, allowing you to dig through your deck at a frightening pace
Packaging The packaging your cards came in can also be a big indicator that your cards are genuine or fake
Raffine, Scheming Seer The demons that are aligned with the crime families from Streets of New Capenna are each so good
Condition is a huge factor for this card, as most MP or worse copies will max out at $250, while near-mint copies can command anywhere between $350 to $500, depending on how good the condition is, as a highly-graded copy sells for more than $500
The opposite example would be decks with low mana curves, or with single cards capable of having an abnormally high impact on the game