They have the same rules text and stats as their original cards, and you can still only have four cards of the same name in your deck
Cromat doesnt really demand too much of you to do its thingjust play five colors, and youll be able to activate its abilities here and there to boost Cromat
Being able to max out this rarity is a massive flex when you have it on the field, ready to tag out into an even stronger monster
It also introduced a new mechanic in which Fossil Pokemon such as Aerodactyl must first Evolve from a Mysterious Fossil card
Starter, Fossil, Eeveelution, Pseudo-L (Pseudo-Legendary), Legendary, Mythical, Baby, and Ultra Beast are all examples of Categories that can appear on these cards
If you plan to compete with your Pokmon cards, you should definitely consider this when buying