I apologize, but I can't imagine the reason for this happening as being anything other than "the devs got so lazy they just stuck the cards on a dartboard and determined people's decks that way"
(2020-01-24) If you cast a spell with its escape permission, you cant choose to apply any other alternative costs or to cast it without paying its mana cost
1) Charizard V 154/172 Value: 200 2) Charizard V 079/073 Value: 175 3) Charizard V 153/172 Value: 45 4) Charizard V SWSH260 Promo Value: 20 5) Charizard V 019/189 Value: 10 6) Charizard V 017/172 Value: 8 7) Charizard V SWSH050 Promo Value: 7.50 8) Charizard V 018/159 Value: 6 9) Lances Charizard V SWSH133 Promo Value: 5 What do we think of these Charizard V Pokmon Cards
Armillary Sphere [Dragon Deck]: More mana fixing in a five-color deck
For others, it's the challenge of completing a set
For rare cards, look for sets known for their chase pulls, such as Pokmon 151, Stellar Miracle, or Mask of Change