Gym Challenge 1st edition Full Set completed : r pkmntcgcollections Ever heard of Miracle Crystal? This is the Japanese version of the iconic Crystal Guardians setand we just locked down a sealed booster box for our shelves From the coveted Crystal MARKET UPDATE: Gym Challenge (Top 15 Most Expensive Cards) This set is considered as the final expansion of the OG Kanto focused series, also, It's harder to complete than Jungle or Fossil because Ever heard of Miracle Crystal? This is the Japanese version of the iconic Crystal Guardians setand we just locked down a sealed booster box for our shelves From the coveted Crystal Gym Challenge 1st edition Full Set completed : r pkmntcgcollections