Legendary Game of Thrones: My Favorite Mechanism

About Legendary: Game of Thrones Deck Building Game, from BoardGameGeek:

In this competitive version of Legendary, players seek to claim the ultimate prize: the Iron Throne! Take control of one of the great houses of Westeros with fan-favorite characters and locations. Brand new game content including Masterminds, Heroes, Villains, and more! All cards will contain original art based on the characters from the Game of Thrones! 550 cards, a rule book, deluxe play mat, player boards and everything you will need to play! Winter is coming, and the houses of Westeros are locked in a bitter battle. Experience a thrilling world of epic warfare with Legendary: Game of Thrones Deck Building Game, in which you play as one of the Great Houses, with your own heroes to recruit and masterminds to protect. No matter who you choose, be prepared! It will take more than brute strength to prevail. You will need skill, guile, and a steady hand if you are to sit on the Iron Throne! -description from the publisher