That's a ton of value in a two-mana spell, especially when the discard is an additional boon for a deck aiming to get hellbent
Once you reach critical mass of Elves, you can tap Lathril and ten of your other Elves to make each opponent lose ten life and you can ten life
When you pair him with the Scion of Halaster background, you have a powerful little engine in the command zone that will keep your graveyard stocked and keep you in control for the whole game
Ouroboroid Green has always been known for making the biggest creatures, but Ouroboroid pushes this to a new level
Fist of Suns makes all your spells cost one mana of every color, Dracogenesis lets you cast Dragon spells without paying their mana costs, and Monster Manual lets you put a creature onto the battlefield for just two mana
That being said, I will try to keep this article brief