User blog comment:~Mana~/Beyblade Wiki - Pokémon Wi-Fi Championship/@comment-5062149-20120429035549/@comment-4245533-20120429093624

1) both Victini and Heatean are legendaries

2) they are the Only ones that can be subbed and only in the finals.

3) in the entire thing you must stick with the team you registered with, if you do not sub either zek or reish you must stick with your normal team.