yugioh zefra deck Shaddoll Zefracore - Yu-Gi-Oh! Card Database Oracle of Zefra - Pendulum

If youre building around this strategy, opening a box gives you the best chance at pulling the Leader Parallel version

However, many other old decks are viable, although they may not be Tier 1 or Tier 0

Geist of Saint Traft Geist of Saint Traft poses a devastating threat to decks that are unprepared for it

[325] [326] According to The Pokmon Company, over 489 million Pokmon game units have been sold worldwide as of March 2025 [358] Trading card game The Pokmon Trading Card Game (PTCG) was one of the first collectable card games (CCGs) in Japan

Combine that with trying to pull the most valuable cards like a rainbow Charizard or Pikachu, its understandable why collectors pay hundreds, even thousands for highly graded cards