Tapping a two-mana Elf for five mana is just nutty, and its utility in five-color Commander decks is likely the reason why this rare that debuted in Morningtide retains such an impressive price point ($18.25 median value across all printings)
It operates like a toughness doubler, and brings along a substantial punch, one that's knocked out many a player in one swing
As I mentioned before, Convoke is a mechanic that plays extremely well with Elves
Rhystic Study has no maintenance costs, so outside of removal, you'll hear "Will you pay the one?" for the rest of the game.
There are aggro decks that are too quick for the control deck to deal with or that have threats that are too numerous or resilient
Nissa, Who Shakes the World is in the deck because its a Green deck