vstar universe japanese booster box Pokemon (3 Packs) Card Game High Class Pack S12a Ver. (3X10 Cards Included) : Toys & Games Shield era features some of the most incredible and awe JPN. VSTAR Universe Japanese Booster

That said, Amethyst does seem to specialize in these weird kinds of shenanigans

Otherwise, it's likely just getting removed with something like Madame Medusa - The Boss and setting you too far back in tempo

BT3-077 C Digimon Lv.3 Alternative Art Gazimon Color Purple Cost 3 DP 2000 Digivolve Cost 1 Purple 0 from Lv.2 Form Rookie Attribute Virus Type Mammal Card Text 1 [Effect] [All Turns] Your opponent can't gain memory except with Tamer effects

Number 95: Galaxy-Eyes Dark Matter Dragon represents Pride, as Kyoji gave the card to Kaito, a person with a very prideful personality

This doesnt do anything extra, is very easy to predict and keep account of by your opponents, and the scope of its benefits is far too narrow to be useable

So, starting in 2025, new Universes Beyond booster sets will be legal in all Constructed formats , just like what you'd consider "normal" Magic sets like Bloomburrow