Tragedy strikes at the heart of the fellowship early on, splitting the party up but ultimately leading each member to their destiny
You wind up with one set that can do things the others can't, forcing players to counter that set with other cards from it, and generally limiting the creativity with which one can effectively play the game
Whats particularly notable here is that you get to exile the chosen artifacts, not just destroy them
Lorehold, the Historian imbues each instant or sorcery card in your hand with Miracle 2, enabling powerful surprise plays for a reduced cost
Six of the top ten most played creatures in Commander on EDHREC are manamana dorksdorks for good reason, and Elves decks can take advantage of these cards better than anyone else
The entire set consisted of gold cards