Pretty much what the topic says. Some friends and I are starting up the AGoT LCG in our area, and I'm looking to build me a Greyjoy deck. And then I found out that the KotS set contains over a hundred cards, 3x of every Greyjoy 'starter' card supposedly, and you only need sixty to make a playable deck.

So, what sort of build can one come up with purely on the KotS box? I might be able to snag some core set cards as well, but I can't expect much since our core sets have been split between a player each for the four core set houses.

Here's what I would go for:

Plot (7)
Valar Morghulis (Core) x1
Summoning Season (Core) x1
Rise of the Kraken (KotS) x1
After the Mummer's Ford (KotS) x1
Mutual Blackmail (Core) x1
Rule by Decree (Core) x1
Siege of Riverrun (KotS) x1

Character (29)
Asha Greyjoy (KotS) x1
Balon Greyjoy (KotS) x3
Dagmer Cleftjaw (KotS) x1
Euron Crow's Eye (KotS) x1
Drumbeater (KotS) x1
Maester Wendamyr (KotS) x3
Scurvy Cutthroat (KotS) x3
Sea Raiders (KotS) x2
Stowaway (KotS) x3
Theon Greyjoy (KotS) x1
Victarion Greyjoy (KotS) x1
Wex Pyke (KotS) x2
Aeron Damphair (KotS) x2
Drowned Disciple (KotS) x3
Jack of all Trades (KotS) x1
Shadowcat (KotS) x1

Location (19)
Aeron's Chambers (KotS) x1
Gatehouse (KotS) x2
Iron Island Fiefdoms (KotS) x3
Longship Iron Victory (KotS) x3
Scouting Vessel (KotS) x1
Sunset Sea (KotS) x3
The Iron Mines (KotS) x3
Bay of Ice (KotS) x3

Event (6)
Assault of the Kraken (KotS) x3
Risen from the Sea (KotS) x3

Attachment (6)
Support of Harlaw (KotS) x3
Veteran Marauder (KotS) x3

That's assuming you can get some plots from the core set. Otherwise you don't have much choice as there's only 7 plots in the Greyjoy box.

The basic idea is having a lot of stealth and getting a lot of unopposed challenges from that. Rise of the Kraken gets you double unopposed. You have a lot of saves so Valar Morghulis will hurt your opponents more than you usually. You can use summoning season for Wendamyr for more saves, Balon for Renown, or Euron for stealth depending on what you need. Ideally Support of Harlaw would go on Balon so you can attack with him multiple times and build up the renown.

Thanks. How differently will the deck perform using the KotS plots? Aaaand, how does the Greyjoy 'starter' fare against the core set decks?

I should have said before that if you're playing Joust (1v1) instead of Melee (3-4 players) you probably want to remove Mutual Blackmail for something else.

With the KotS plots it won't have Valar, which means you won't be able to use your saves to your advantage quite as much. No summoning season means you can't depend on getting a key character and removes a way for you to make pacts. You'll also have the "everyone gets an additional intrigue/power challenge" plots which will probably hurt you more than it helps (I included after the mumners ford in the deck I made because an extra military for everyone isn't so bad as you have strong military characters and plenty of saves). These will be attractive to the other players though so maybe you could do some swaps. Stay of Execution on works with Balon, and Promise of Victory isn't very useful for any deck.

I would say that the Greyjoy starter is slightly more powerful than the core set decks though.

Hmm. If I were to start expanding my deckbuilding options, which additional expansions and chapters packs should I look into?

A Core Set wouldn't be a bad idea. You'd have access to all the plots then, as well as generically useful cards like Milk of the Poppy and Distinct Mastery.

After that, it really depends on how you want to focus your deck. For my money, I might look at the Queen of Dragons box. I know it's focused on Targ, but there are some pretty useful cards in it that fit in a variety of decks... River Row, High Ground (if you're using some armies), a few pretty good plots, and Paper Shield, which eventually you will probably want (though if the folks you're playing against don't expand their collections a bit as well, you'll probably steam roll them, which might not be good for your meta).

Papa

So after poking around the AGoT Dabbler database...am I right to conclude that if I split it with our group's Stark player, A Clash of Arms is a pretty good deal?

Initially I was also looking to try and build something based on that Holy-centric deck that won LCG Days' Melee but it seems to use quite a few expansions and chapter packs.

So I managed to get some plots from my playgroup and the decklist's looking like this now.

Plot (7)
1x Calm Over Westeros
1x Loyalty Money Can Buy
1x Mutual Blackmail
1x Mutual Enemies
1x Rise of the Kraken
1x Siege of Riverrun
1x Stay of Execution

Character (32)
1x Asha Greyjoy
1x Dagmer Cleftjaw
1x Theon Greyjoy
1x Wex Pyke
2x Priest of the Drowned God
2x Victarion Greyjoy
3x Aeron Damphair
3x Balon Greyjoy
3x Drowned Disciple
3x Drumbeater
3x Euron Crow's Eye
3x Maester Wendamyr
3x Scurvy Cutthroat
3x Sea Raiders

Location (19)
1x Aeron's Chambers
1x Longship Iron Victory
2x Bloody Keep
3x Gatehouse
3x Iron Island Fiefdoms
3x Scouting Vessel
3x Sunset Sea
3x The Iron Mines

Event (6)
3x Assault of the Kraken
3x Risen from the Sea

Attachment (3)
3x Support of Harlaw

For spare plots I've got Good for the Gander, Noose and Swordpoint, Planning Ahead (the rest are either in decks or with members of the playgroup I've yet to meet up with) plus of course the Kots plots. Would any of those be more worth it?