G3 Toys Gym Leader Challenge - 21.06.2026

Some of the most fun that any Trainer can have at these events is through playing in side events—casual events that are perfect for having lighthearted fun with other Trainers in the community. 

As far as the rules go, they’re simple—you can only include one Pokémon type in your deck; Pokémon with a Rule Box (Pokémon ex, Pokémon V, etc.) are banned; ACE SPEC cards are banned; and you’re limited to a single copy of each card name that you include (this is known as singleton in the Pokémon TCG community). Gym Leader Challenge also uses the Expanded format, which features cards released from the Black & White Series onward. This combination of rules is perfect for allowing you to experiment with a wide variety of decks that can create almost limitless game states and interactions as you play against other Trainers.

There is one last thing to consider, though—the community maintains a list of banned cards to promote a healthy format where everyone can have fun. 

For full rules & desk list helpful tips, please see the link below:

https://www.pokemon.com/uk/strategy/side-event-breakdown-gym-leader-challenge

Early bookings can be made ONLINE only. 

The event runs in-store where refreshments and snacks are available for purchase—please note that outside food and drinks are not permitted.

Please be aware that all event bookings at G3 Toys are NON REFUNDABLE