It's a rule
Shelob, Child of Ungoliant Not only is Shelob, Child of Ungoliant the spider commander that arachnid aficionados have been waiting for to drop a hoard of creepy crawlies onto the battlefield, but this Golgari commander is also the biggest flavor win of any commander on this list
Blacker Lotus Blacker Lotus is generally corrected so that it just exiles itself to make four mana
On the other, a card that never saw much competitive viability, but which deserved its value due to the rarity of finding a copy of Alpha in near-perfect condition: Vesuvan Doppelganger, sold on February 16, 2023 for $63,000
For cards in a perfect condition, or those recently pulled from a booster, the exceptional Gold Label & Black Label (CCC 10), indicative of a card in pristine condition, are accompanied by a very sharp increase in value compared to an ungraded version
It can be helpful in extremely specific circumstances, but these situations are few and far between, so theres little to no point in adding this card to your deck