The Lord of the Rings is about the different peoples of Middle-earth coming together to fight Sauron, finding strength in their diversity
It can also dodge a lot of removal thanks to its Regenerate ability, but you can also protect it with cards like Swiftfoot Boots, Kaya's Ghostform, and Commander's Plate
You just play cards, get rewarded with card draw, then use your new cards to get still more cards until you run out of mana
While I had positive experiences playing with Key to the Archive (and then later against it, once I knew its possibility space), my experience overall has made me less interested in playing with more draft/spellbook cards
Now that we have that out of the way, may I present Some Other Sweet Commander Cards From The Dark Elves of Deep Shadow This is pretty cleanly a staple of most multicolor decks in the format that can play it