A House of Thorns is the first expansion for the Iron Throne block for the A Game of Thrones collectible card game, featuring 140 new cards. The Great Houses struggle for allies in their quest to secure the Iron Throne, and the lesser Houses strive to position themselves on the winning side ... and if their loyalties must be tenuous to do so, well, then so be it. With more multi-house cards, featuring House Tyrell and House Bolton (among others), A House of Thorns will change the way all the Great Houses play the Game of Thrones! Particularly House Lannister ...