I notice that may Stark decks have Great Keep x3. Basically this is just a location which costs 0 and gives you adding 1 gold. But I also notice there are may other kinds of such locations (which costs 0 and give 1 gold as well). So why not put 3 different such locations in a deck so that you can have all of them in play at the same time because they have different titles.
Am I right or there are some rules disallowing this? Thank you guys