That way, it doesn't override it and protects you in case your opponent has a defense to it
Trading away bad cards for fresh ones gives you a significant advantage, but this has a huge benefit over your average wheel: You choose which cards to keep and which to ditch
Thanks to its power and innate rarity, even cheap copies of Time Walk sell for around $2,500
Even if collectors do have a Charizard card, it's not going to get as much attention if it doesn't have that foil
Both of these cards traditionally see the most play in competitive combo decks, however, focusing on finding the pieces to generate infinite mana with combos like Basalt Monolith + Rings of Brighthearth or Isochron Scepter + Dramatic Reversal
This set was pivotal because it completed the original 151-card Pokdex for collectors outside of Japan