How to get it
- Buy it in the in-game shop.
- The normal purchase limit is once per 365 days.
How to use it
- Use the medallion from Items and select the new team.
- Check the choice carefully before confirming the change.
Worth knowing
Pokémon defending Gyms when you change teams return without earning coins when defeated.
Coordinate a team change with how you actually play Gyms; the long purchase cooldown makes frequent switching impractical.
Sources & further reading
Event rewards, shop offers, and limits can change. Check the current in-game description for event-specific rules. Worked examples are illustrative calculations.