Charizard cards have historically held value
Allowing players to trade their duplicates for pack points would solve this problem and make all booster packs worth something, even if the loot is bad
Please keep in mind, for Challenge events, Shimmering Skies will be legal on August 30th, but the errata will go into effect immediately, so the Challenge event in Toronto on the weekend prior will have the errata in effect even though Shimmering Skies is not legal for the event
Sometimes the difference between one pirate commander and another is simply their strong statlinesmany Leaders on the Grand Line boast powerful 6,000-strengthed attackswhile other times the abilities and keywords packaged with the cards (often themed around Devil Fruit or Haki powers) can be the reason theyre so busted
If you cant get enough and/or the right colors of mana, however, your ability to do more than pass the turn quickly plummets