The obvious answer was to use Food tokens as the noncreature artifacts, and that just lets you add three extremely powerful cards to your deck
Still, ante never technically went away as unsanctioned and kitchen table matches can still allow it if players agree to it, but it's likely that we have seen the last of ante from any sort of meaningful (or even casual) tournament play
Like most Pokmon cards, the value of Umbreon VMAX depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Evolving Skies)
Mono-red has Fledgling Dragon and Furnace Hellkite, Mogg Mob, and Skoa, Embermage
However, you must remember that this is not a traditional aggro deck, its a midrange deck
AI may not understand markets the way we do, but it understands patterns how emotion drives value, how stories become currency, and how scarcity turns sentiment into profit