flesh and blood booster boxes & TCG Bring all your skill ICv2: 'Flesh and Blood: Welcome

As for what Boros wants, thats typically to attack

The addition of the monsters allows the usage of "Union Controller" and "X-Cross Cannon" as extra searchers and combo enablers, and grants access to the "XYZ-Hyper Dragon Cannon" boss monster, as well as easy access to Tribute Summons on the opponent's turn - enabling a board wipe via "Beast King Barbaros"

A Shiny Charizard with its primary type changed directly to Dark was also introduced to the Dragon Frontiers expansion in 2006

I also think the Radiant cards featured here are a real step down from pretty much every other iteration of shiny Pokmon as depicted in the TCG

In contrast, the new age of GC relies less on TER and more on overall efficiency and pressure