USERS:
    * ID
    * username
    * password
    * email
    * fantasicaid
    * signupdate

CARDS:
    * ID
    * name
    * subname
    * img_front
    * img_back
    * img_avatar
    * img_sprite

PRICES:
    * id
    * user_id
    * card_id
    * currency_type
    * price