The set of artifacts affected by Ghirapur's first ability is determined as the ability resolves
In fact, there are even some rules tweaks to that format starting with this set
High Alert High Alert serves one single purpose, and that's to add redundancy to Arcades, the Strategist decks.Your defenders are pretty awful if Arcades is shut down and this enchantment lets your deck continue to function
It is because the total addressable market for Pokemon cards has expanded dramatically in the modern era, and the infrastructure for grading has simultaneously become far more accessible, affordable, and culturally normalized
Or if you used Alesha, Who Smiles at Death as your commander, you could include red, white, or black cards in your deck
While you might have plenty of Pokmon cards up in your attic, though, you might not remember the exact rules