I just got the card game and I want to use the Night's Watch Faction with the support of another House I was thinking Tyrell so I could focus on defense and intrigue as Tyrell has a lot of characters with that icon also seeing as Tyrell likes to buff up STR I could use that to win a game, but I'm not sure if that would be a good thing to do.

I have had good success combining the Starks with the banner of the Night's Watch. Use the winter plots along with storm of swords and wardens of the north.