Whether you reanimate your creatures again with Shallow Grave, or build up to a Storm win with Cabal Ritual and Tendrils of Agony, Hades can easily take over a game of Commander
The other abilities are just solid picks, either letting you blow up an artifact or enchantment, whichever is more problematic for you at the time, or draw a card for each green creature you control
At common, Flight-Deck Coordinator and Frontline War-Rager also reward you with small bonuses for having at least two tapped creatures
Its the moment they learn how to fly for the first time, and cross over Big Ben headed for a magical world
More specifically, I fear the damage ability on Sorin, Ravenous Neonate
From a monetary standpoint, common cards are typically not worth much