For as long as it remains exiled, it has "You may cast this card from exile as long as you've cast another spell this turn." Enchantment - Class The Eleventh Hour (As this Saga enters and after your draw step, add a lore counter
At the same time, you need lore to advance towards victory, so questing with a powerful card is often worth it for the points gain even if it opens it up to attack
Its unclear when youd want to dedicate a Commander deck slot to a green cantrip like this, but you can do worse than a 1-mana card that likely replaces itself and potentially sets up your next few draws
Its alternate casting costyou exile a green card rather than pay 4 manamakes it a free answer to cards like Chalice of the Void, Leyline of Sanctity, or Ensnaring Bridge
At 1/7 hes got a decent amount of defense, making him hard to kill just like his namesake