A singleton Pokémon TCG format where you build a deck like a Gym Leader - around a single Energy type (color). No powerful multi-prize cards, just huge creativity and a cheap entry.
One Pokémon type (color) - every Pokémon in your deck must share the same type. That's your Gym Leader color.
Deckbuilding rules
160-card decks, 6-Prize games, played with the current Pokémon TCG rules.
2One Pokémon type (color) - every Pokémon in your deck must share the same type. That's your Gym Leader color.
3Singleton - only one card of a given name in the deck. Exception: basic Energy (any number).
4Single-Prize Pokémon only - they give up 1 Prize card when Knocked Out.
Colorless-type Pokémon can usually go in a deck of any color (see the official FAQ).
⛔ Banned
✕Cards with a Rule Box: Pokémon ex, V, VMAX, VSTAR, GX, Radiant.
✕ACE SPEC cards and Prism Star cards.
Card pool
Expanded - cards from the Black & White series onward, plus a short community-maintained ban list. The ban list changes over time - check the official site.
Besides Rule Box and ACE SPEC cards, these specific cards are also banned. The format is constantly monitored and the ban list changes (last change: Apr 24, 2025 - Double Colorless Energy, Twin Energy; Dimension Valley effective Apr 20, 2026). Always check the official site for the current list.
Why it's great
✓Cheap and creative - cards that never see Standard shine here; perfect for proxies.
✓Every type plays differently, and mirror matches are rare.
✓A recognized side-event format (Worlds 2022, EUIC 2023) and a mode in PTCG Live (Trainer Trials).
