sword & shield vivid voltage booster box Shield: alongside more Pokémon VMAX including the splendor Sword & Shield—Vivid Voltage Booster

And the devs behind TCG Pocket wont provide any clarity

C Common Gladiator Beast Gaiodiaz X DARK Level 7 [ DinosaurFusionEffect ] ATK 2600 DEF 1500 "Gladiator Beast Spartacus" + 1 "Gladiator Beast" monster This card can only be Special Summoned from your Extra Deck, by returning the above cards you control to the Deck

[Your Turn] This Digimon doesn't activate [Security] skills on Option Cards it checks

These cards, which featured the artists' birthdays as their set numbering, stirred up a mixture of confusion and anticipation in the Pokmon TCG community

If retention holds up once the initial curiosity fades, this could become a lasting fixture inside Jupiter's product suite rather than a short-lived trend

The idea of course was that you wanted to blitz your opponent by taking advantage of the Furnaces damage doubling with a flurry of spells and attacks before your opponent could do the same