Realistically, while the themes of this deck may be very tame, its not all bad news
Among the familiar scenes included in the set are Bilbo's Birthday Party, the destruction of Isengard, the battle at Helms Deep and the sets biggest scene, the Battle of the Pelennor Fields that forms the climax of The Return of the King
then, it can get set up early while not necessarily needing an optimal hand
A 3/3 needing to attack every turn to be effective can be problematic, but with three colors at our disposal, there's lot we can do to make him safer
Once a player is instructed to do this, they have the initiative until another player takes the initiative
Changing the as-fan of rarities (that is, the count of each rarity of card you'd expect to see when you open a booster), introducing more variance in slots, adding in more "outside" cards, all impact how the set plays and thus requires us to change how we build the set