From Bulbapedia, the community-driven Pokémon encyclopedia.
A custom pass is a pass made by an actual player on Pokemon Battle Revolution. It is similar to a rental pass in appearance but it is made by temporarily downloading pokemon from Diamond and Pearl. It is often better to use a custom pass because you can choose the pokemon which you think will work in certain situations
This game-related article is a stub. You can help Bulbapedia by expanding it.