That's enough to start forging your own competitive deck, especially when combined with the Collection Starter Set listed above or cards from Gateway
Gruul (red/green) is one of the most aggressive color combinations in Magic The Gathering
I like it a lot because it's a way to pseudo-tutor for your giant creatures in the latter portions of the game and fix your mana at the very beginning for cheap
The mono-color legendary land cycle will all see some amount of play, but its hard to argue against Minas Tirith and Barad-dur being the spiciest
While it's true she has no way to restore loyalty, that's not really important, as for three mana you'll be perfectly happy getting one or two uses out of her, then having her sit on the battlefield causing problems
Their beauty, with a spectacular foil finish and extended alternate art, limited availability of just 12 per set, and extreme rarity (about 1 in every 72 booster packs) contribute to their high value