Hoping to build the intro decks using the collection; is the general guidance and advice for how to play each deck available online anywhere? Thanks.

You can find the contents of the intro decks:

• on thronesdb, just seach on "intro" or author " Kakita_Shiro"
  • The author has described each deck a bit
• And FFG has listed the decklists in the articles . Go to the product page and then to "intro decks"
  • https://www.fantasyflightgames.com/en/news/2018/8/23/swear-fealty/

I have not played them but looking at the decklist I think:

• the Stark on plays aggro, focusing on military challenge kill with Ice, winter is coming and put to the sword.
• the Lannister one on Intrigue, with big Cercei, tears and Casterly rock
• the Greyjoy one seems to focus on pillage (core Euron, big Asha, Tris Botley), with a splice of kill
• the Tyrell seems to focus on strength buffs and a lot of renown
• the Night's Watch deck seems to be all about defending the wall
• the Baratheon deck want to win dominance and do tricks with that.
• the Martell deck is a bit unfocussed, half icon removal and some "win by losing" effects
• the Targaryen one focusses on core Dany with her dragons supported by some burn