Assembly Hall - Do I select several cards from the same stack or from different stacks?
Science & Progress
It’s up to you.
Assembly Hall - How many cards can I select for free?
Science & Progress
Any card, until you have reached your hand limit.
Building Crane - Do I have to build the Building Crane in the same city where the University is?
Science & Progress
No.
Building Crane - Does the Building Crane have an effect on buildings in other cities?
Science & Progress
Yes.
Building Crane - Does the Building Crane reduce the building costs of the cities themselves?
Science & Progress
No.
Cannon - Can a Cannon be attacked by The Black Knight?
Science & Progress
Yes.
Cannon - Can I build two Cannons?
Science & Progress
Yes.
Embassy - When I build the Embassy, does my opponent also have to show me the cards in his hand?
Science & Progress
No, only the cards he is drawing.
Embassy - Which of the cards my opponent has drawn does he have to show me?
Science & Progress
All of them.
Fire Brigade - Can I play the Arsonist against a Fire Brigade that carries a Witch or Pawnbroker?
Science & Progress
No.
Note: All mentioned cards are part of the Catan Card Game, which can be found in the Ludography.
Fire Brigade - Does the Fire Brigade also protect Region Improvements and Road Improvements?
Science & Progress
No.
Note: Region Improvements and Road Improvements are part of the CATAN Card Game, which can be found in the Ludography.
Great Wall - What is the combined effect of Great Wall and Watch Tower?
Science & Progress
The Spy runs his head against the wall: he has no effect and ends up on the discard pile.
Note: The Watch Tower belongs to the theme set "Knights & Merchants". All expansions of the CATAN Card Game can be found in the Ludography.