content: 
  ===Great houses===
  * House Stark, the honorable rulers of the cold North. The Stark shield is a grey direwolf on an ice-white field. Prominent Stark characters include Lord Eddard Stark and his wife Catelyn, their son Robb, as well as Maester Luwin, Ser Rodrik Cassel, and Brynden "The Blackfish" Tully. Common game mechanics include direct kill, deck searching, and improved defense. Many Stark effects are themed around military challenges.
  * House Lannister, the rich and treacherous residents of Casterly Rock. The Lannister shield is a gold lion on a crimson field. Prominent Lannister characters include Jaime, Cersei, and Tyrion Lannister, as well as Ser Gregor Clegane, Ser Addam Marbrand, and Grand Maester Pycelle. Common game mechanics include card draw, kneeling effects, and trait manipulation. Many Lannister effects are themed around intrigue challenges.
  * House Baratheon, the royal blood of King Robert, rulers of Dragonstone and Storm's End. The Baratheon shield is a black crowned stag on a gold field. Prominent Baratheon characters include Robert, his brothers Stannis and Renly, as well as Melisandre, Ser Davos Seaworth, and the Loras Tyrell, the Knight of Flowers. Common game mechanics include power manipulation, standing effects, and retrieval of cards from the dead and discard piles. Many House Baratheon effects are themed around power challenges.
  * House Greyjoy, the rulers of the Iron Islands and the Ironborn raiders who prey on the rest of Westeros. The Greyjoy shield is a gold kraken on a black field. Prominent Greyjoy characters include Theon, Asha, and their father Balon Greyjoy, as well Balon's brothers Euron Crow's Eye and Aeron Damphair. Common game mechanics include location control, the ability to save characters, event cancels, and boosting the strength of attacking characters. Many house Greyjoy effects are themed around winning unopposed challenges.
  * House Targaryen, the exiled descendants of Aegon the Conqueror and their exotic followers. The Targaryen shield is a red on black, three-headed dragon representing Aegon and his sisters. Prominent Targaryen characters include Daenerys Targaryen and her three dragons, Khal Drogo, Ser Jorah Mormont, and Grey Worm. Common game mechanics include attachment manipulation, strength reducers and kill effects on strength 0 characters (frequently referred to as "burn" effects), and playing characters outside of the marshalling phase. Many Targaryen effects are themed around winning or losing challenges by 4 or more strength.
  * House Martell, rulers of the desert realm of Dorne, the southernmost region of Westeros. The Martell shield is a red sun pierced by a golden spear, on an orange field. Prominent Martell characters include Doran Martell, Oberyn Martell the Red Viper, his daughters the Sand Snakes, and his niece Arianne Martell. Common game mechanics include icon manipulation, discard effects, stealth, and card draw. Many Martell effects are themed around losing challenges, leading to such effects being referred to as "revenge" effects.