pokemon cubchoo card - SWSH09: Brilliant Stars [REVERSE HOLO] The item available is listed in the Title Cubchoo (109/086) – PokeGuard

Some rare cards or packs were even taken by scalpers as soon as they were put up for sale

It being released at the height of the game's popularity and a highly desirable ex card means that there are probably a lot of copies in existence, although just how many of those belong to accounts that are still active is anybody's guess

A repeating Raise Dead creates a lot of value for creatures that want to ETB, die, or leave the graveyard like with Tormod, the Desecrator

This sudden price shift was likely the result of market manipulation, in which a group of individuals buys every copy of a card, then sells it at a higher, set price