Together with Sealed Deck, it's the Limited format of choice for most tournaments, including Pro Tours, Pro Tour Qualifiers, and Grand Prix
It has the benefit of being an artifact Additionally, there are a ton of red cards that synergize with artifacts and the graveyards
For Shadowless, some packs and boxes used the same commons and uncommons sheets (see for example), while other did not (see I was able to reconstruct the sheets used for the 1st Edition and some of the Shadowless print runs of the commons, uncommons and Basic Energies
You can keep a total of four different decks in memory, and it's up to you to make sure you're sorting through your cards, breaking them up to create a killer deck other than the one that's offered to you at the beginning of the game
Just as many people are turning to the valuable cards in Terastal Festival ex due to the incredibly high prices in Prismatic Evolutions, so too is Eevee Heroes seeing a resurgence that mirrors Evolving Skies