While this might be an extreme scenario, military challenges that result in at least 3 opposing characters dead are quite common. Thanks to the stealth suite provided by Arya Stark and the Greyjoy, it puts an incredible pressure on the opponent who is usually unable to keep up enough board presence to keep it up and protect is own character
This deck is scary: it can wipe a 6 characters board by winning a military challenge with Sneak Attack or The Winds of Winter , Ice, Put to the Sword and Winter Is Coming. And if something is still up after all of that, there it comes a Marched to the Wall.
While this might be an extreme scenario, military challenges that result in at least 3 opposing characters dead are quite common. Thanks to the stealth suite provided by Arya Stark and the Greyjoy, it puts an incredible pressure on the opponent who is usually unable to keep up enough board presence to keep it up and protect is own character