Hey guys,
we already know the answer to most of these questions. The back of the Treason of Saruman Box was shown at Gen-Con.
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It says we're going to hunt Uruk-hai, fight Helm's Deep, and March with the Ents against Isengard! There's your three quests.
So excited!
And we will be getting a Shadowfax neutral attachment that can only be attached to Gandalf. No doubt it will allow him to ready but I wonder what the specifics of the card will be.