SOME POKEMON CARDS HAVE FETCHED THOUSANDS
As of this writing, eBay had zero playsets available, and most of the other online stores were down to a single copy
"But most of the holos are going to have silvering across the top and the right side of the border." In terms of the common issues found on these cards, Browning notes that it's mostly "surface condition versus edge wear and factory nicks." For example, besides the aforementioned silvering, he often sees print lines on the cards as well
The best example of this in Adventures in the Forgotten Realms is Treasure Chest, which is a three-mana artifact
Your thing can be basically anything, but this is easiest to see if we look to Kindred decks having a critical mass of creatures of your chosen type and/or cards that care about that type is crucial to amassing synergies and building a board
If singles become worthless, that part of their business would be gone overnight