In early 2026, Rainbow Dragon misprints began appearing as highlighted lots in curated, high-end collector environments, with estimates reaching into the $1,000$1,500 range, signaling growing recognition of error cards as legitimate collectibles
For you, that means built-in demand and, just as useful, years of sold-listing data to check before you price anything
They take the twelve holofoil packs for themselves and sell off the non-holographic booster packs
The flavor is generic enough that it would fit pretty much in any MTG set (either in-universe or Universes Beyond) that has some chaos-loving baddies, and since mayhem is in no way tied to any Marvel IP (or trademarked by Disney ), Wizards of the Coast should be free to use it whenever and wherever they want
: This artifact deals 1 damage to any target
BT5-010 U Digimon Lv.4 Greymon Color Red Cost 5 DP 5000 Digivolve Cost 1 Red 2 from Lv.3 Form Champion Attribute Vaccine Type Dinosaur Card Text 1 [Effect] [When Digivolving] If this Digimon has [Agumon] in its digivolution cards, gain 1 memory