A Gate Trainer is a small card available in Bakugan: Armored Alliance products. It is a rectangular card with metal inside, similar to Gate Cards from Bakugan Battle Brawlers. It can be found in Ventus, Haos, Darkus, and Aquos.
Available in
Gallery
Aquos Gate Trainer with Shun Kazami and Hydorous
Ventus Gate Trainer with Wynton Styles and Trox
Haos Gate Trainer with Lia Venegas and Pegatrix