Action cards make the game more eventful! Possible cards include doubling a property's value, being forced to place a metro line somewhere, skipping the player's turn, or expanding the map. These cards can give an advantage or a disadvantage to the player.
Actions:
+ Place 2 or 3 metro lines
+ Pick a destination and double its value
+ Skip your turn without drawing cards or placing any tiles
+ Skip the next player's turn
+ You must place a branching metro line
+ Pick an action card of your choice
+ Pick up 2 action cards from the deck
+ Expand the city by 1 row in a specified direction
For more details, view the instructions document!