Gym Leader Challenge asks you to build like a Gym Leader: pick a type and make the most of it.

The rules

  • 60 cards, singleton. Only one copy of each card by name. Basic Energy is the exception.
  • One type. Every Pokémon in your deck must share a type (dual-type Pokémon count if one of their types matches).
  • No Rule Box Pokémon. That means no ex, V, VSTAR, VMAX, GX, EX, Radiant, Prism Star, and so on.
  • No ACE SPEC cards.
  • Expanded card pool, with GLC's own ban list.

Why play it?

  • Budget-friendly: you never need playsets of expensive cards.
  • Every game is different: singleton decks don't draw the same way twice.
  • Old favorites shine: single-Prize Pokémon from every era get a chance.

Building tips

  1. Count your draw and search cards first. Aim for 15+ cards that find other cards.
  2. Play lots of Basic Pokémon, since you can't play 4 copies of anything.
  3. Have a plan for big Basic attackers and evolution lines (Rare Candy only comes once!).

Check your list with the Deck List Checker in GLC mode. It flags duplicates and Rule Box names automatically.