You can return one creature of each color from your graveyard, which makes it a flexible recursion spell

Aragorn, Company Leader (Colorless, Green, White) Aragorn, the Uniter (Red, Green, White, Blue) Arwen, Mortal Queen (Colorless, Green, White) Arwen Undmiel (Green, Blue) The Balrog, Durins Bane (Colorless, Black, Red) Bilbo, Retired Burglar (Colorless, Blue, Red) Butterbur, Bree Innkeeper (Colorless, Green, White) Denethor, Ruling Steward (Colorless, White, Black) Elrond, Master of Healing (Colorless, Green, Blue) owyn, Fearless Knight (Colorless, Red, White) Faramir, Prince of Ithilien (Colorless, White, Blue) Frodo Baggins (Green, White) Galadriel of Lothlrien (Colorless, Green, Blue) Gandalf the Grey (Colorless, Blue, Red) Gimli, Mournful Avenger (Colorless, Red, Green) Gwaihir the Windlord (Colorless, White, Blue) King of the Oathbreakers (Colorless, White, Black) Legolas, Counter of Kills (Colorless, Green, Blue) Lotho, Corrupt Shirriff (White, Black) Mauhr, Uruk-hai Captain (Black, Red) Merry, Esquire of Rohan (Red, White) The Mouth of Sauron (Colorless, Blue, Black) Old Man Willow (Colorless, Black, Green) Pippin, Guard of the Citadel (White, Blue) Prince Imrahil the Fair (White, Blue) Rise of the Witch-king (Colorless, Black, Green) Samwise Gamgee (Green, White) Saruman of Many Colors (Colorless, White, Blue, Black) Sauron, the Dark Lord (Colorless, Blue, Black, Red) Shadowfax, Lord of Horses (Colorless, Red, White) Shagrat, Loot Bearer (Colorless, Black, Red) Sharkey, Tyrant of the Shire (Colorless, Blue, Black) Shelob, Child of Ungoliant (Colorless, Black, Green) Smagol, Helpful Guide (Colorless, Black, Green) Strider, Ranger of the North (Colorless, Red, Green) Thoden, King of Rohan (Colorless, Red, White) Tom Bombadil (White, Blue, Black, Red, Green) Uglk of the White Hand (Colorless, Black, Red) If this interests you be sure to check out what contents are in the LOTR MTG Collectors Box!

Just remember to handle them gently to avoid any damage!
At the cost of three energy, Rolling Iron can dish out 200 damage and take 80 less damage on your opponents next turn