Typically, one of the borders on the side, top, or bottom is too thick or thin, causing the central image to be out of alignment
Demon decks tend to have a high mana curve, after all
Kicking off our honorable mentions is a card with Goblin right there in the name, but a card that is not technically a Goblin kindred card
For example, Card Kingdoms good price for Beta Counterspell is $400 whereas the cheapest on TCGplayer is a damaged copy listed for $500, a full 25% higher
With the high value on exile effects the indestructible Ulamog is easier to kill than Eons Torn
Pyroblast is cheaper in a gold border version (not tournament legal), but all the black and white bordered versions are rather valuable