Each tin comes in assorted designs, making them a perfect collector's item
That's what happens when you combine Tinker (which could get out the Jar almost immediately) with Megrim (so that your opponent would take 14 damage from a single Jar discard, assuming they could not play any cards in time)
This card, if not for the crease could have easily scored and 8/8.5 (a potential dollar value of around $2000) with the majority of surface and edge damage having been caused by the folding
Authenticity matters, though, because some "errors" are just damage or fakes, so compare against documented examples before assuming a premium
If you find a Brainstorm, Underworld Breach, or All Will Be One in your Limited pool, you can play them even though you can't put them in a Standard deck
(Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Formats Not Legalstandard Not Legalfuture Legalhistoric Legaltimeless Legalgladiator Legalpioneer Legalmodern Legallegacy Legalpauper Legalvintage Not Legalpenny Legalcommander Legaloathbreaker Not Legalstandardbrawl Legalbrawl Not Legalalchemy Legalpaupercommander Legalduel Not Legaloldschool Not Legalpremodern Not Legalpredh Legaltlr