moderately played pokemon card example Pokémon Condition Guide Card Conditions - Grading -
Description
Several factors determine Pokmon card rarity and subsequently, their value

The card game, based on the popular Pokmon media franchise, has attracted collectors from all over the world, with many paying top dollar for rare cards

This stuck with me because in the era of Flash Hulk and then Sushi Hulk, the only thing that mattered was whether or not your deck could cast one of four core win conditions, four of which were blue (and one which required you to have green in your deck)
Certification Number 84535833 Card Number 006 Player Charizard Variety/Pedigree Promo Reverse Foil Grade PSA NM 7

The mana value of an MDFC changes depending on the zone and which side of the card has been cast/is face-up
According to Water Pokemon Master, a PokeBeach contributor, the reason why the upcoming set will see the spotlight shifted away from Team Rocket is that modern English sets are huge and combine multiple Japanese sources
