From The Bakugan Wiki
Scan is a Combat keyword in the Bakugan Battle Planet Trading Card Game. When a card is played with the Scan symbol is played, the player who played the card looks at the top card of their deck. They may put it on the bottom of their deck or leave it on the top.
Cards with Scan
This section contains all the Ability Cards that feature a Scan effect.
Secrets of the Geogan
This list contains a list of Bakugan, or their respective Evo, that contain an effect that features Scan.
Character Cards + Evos
Exclusive to Evo