Shiny Treasure ex will feature a high number of secret rare cards — for example, shiny Charizard ex will be card #331/190. Thus, we can safely assume there will be over 150 secret rare cards in this set. (Shiny Star V featured 190 cards in its main set and 140 secret rares, for a total of 330 cards.)
Shiny Treasure ex is Japan’s annual reprint set, so it will mostly contain reprinted cards in its main set and maybe 15-30 brand new cards. These reprint sets help ensure cards from the last year are available to Japanese players and collectors.
The set will release in Japan on December 1st and will include 190 cards before secret rares.
The set will feature a ton of shiny Pokemon as secret rares! All of them are reprints from the last year, but with alternate shiny artwork. This is typical of past shiny sets like VMAX Climax and Shiny Star V.
10 Cards Per Pack, 10 Packs Per Box