That isn't the only difference between the two, though
(6/6/2025) If you discard a card while you control Hades, Sorcerer of Eld, abilities that function when a card is discarded (such as madness) still work, even though that card never reaches your graveyard
Though its certainly a familiar dish for many of us, eating those types of food in different environments can be a different type of fun
Throw in the transformation to Sephiroth, One-Winged Angel that provides a substantial sacrifice outlet/mass draw effect, and you have a nasty threat that might not break any creative metrics, but serves as the solid foundation from which to build your 99
Ragavan, Nimble Pilferer is so strong that it had to be banned in Legacy, currently terrorizes Modern as part of Boros Energy, and it's very often seen as part of the 99 of top-tier cEDH decks