I think a better approach would be to find existing cards which are most mechanically similar to the card being generated, and present them as comparisons for the LLM
Its not fancy, but its powerful, consistent, and basically always good
If your card reads 1995, 96, 98, 99 Nintendo, Creatures, GAMEFREAK, then you have a legitimate first-edition Pokmon card
You may also have noticed that some colors barely have anything on this list or that certain powerful cards are absent
Imagine countering one players only spell, drawing some cards off Dig Through Time in the next, then setting up a Cyclonic Rift before you untap
Reaching the Edge of Eternity Set on the fringes of the multiverse, the Edge of Eternities set follows numerous storylines: Sami, Wildcat Captain and their crew of misfits