not only can you use him to pop an additional card with Gangaridai to get more bang for your buck, you can use him with Gustav Max to clear the field a little and get in some extra deck, and you can also use him with Dora in order to directly disrupt your opponent's plays during their turn, whether you need to actually protect Dora or not
The mobile signal amplifier amplifies or repeats those signals to multiply them many times over and then transmit them to interior building antenna(s) via coax cable(s)
I see Ravensburger made the astute decision to return to color-coded organizers as opposed to the organizers that encouraged you to separate your cards by rarity
For the avoidance of doubt, the Authenticity Guarantee is available only to you and may not be transferred to your heirs, agents, transferees, assigns or subsequent buyers
So, I guess it is a ban of sorts