duskmourn house of horror booster box Duskmourn: Collector Boosters – Mox Boarding House it is a living Wizards of The Coast Magic:

This is mostly useful for Spirit monsters that have effects that don't require them to be summoned, like Amano-Iwato, Hino-Kagu-Tsuchi, and Yamata Dragon

(Pictured above is one of the exhibits from the lawsuit.) Konami say that evidence obtained through the discovery phase of the lawsuit had identified "Upper Deck as the source of the 22 counterfeit 'Rare Cards' being re-packaged and sold by Vintage." Konami further alleges that the counterfeit cards diminishes demand for the authentic cards and "threatens to undermine the integrity of the game (including, e.g., tournament play by Yu-Gi-Oh

That translates into a fairly formidable range of abilities (check them out below)

A full deck of reverse holos looks clean and intentional