fusion art booster box Arts Pack S8 Chandelure V/VMAX Opening Pokemon Fusion Arts Japanese

And I am not the only one

#6 Terastal Festival ex Best Eeveelution Collection (~$103 / 15,000) Terastal Festival ex is the ultimate Eevee fan set all 9 Eeveelutions receive Special Art Rares in a single High Class Pack

Watching a large number of videos and noting down the hits or rare cards in general is a good way to figure out approximate rarities - mainly for categories of cards, but with enough data you can infer some information about individual card rarities, though it is not always easy to tell if the information is statistically relevant or not

The box scenes center on one mythic and are surrounded by five rares

Ill just provide a rough sketch for you to work off of