It was a deliberate look back on and tribute to the game itself, narratively justified as time unraveling within the plane of Dominaria
While you control Hades, Sorcerer of Eld, abilities that trigger whenever a permanent you own is put into your graveyard from the battlefield (for example, "When this creature dies
Sol Ring, though, was an uncommon artifact, so there were a handful of them floating around the group and whoever had one or two could toss them in any deck
Essentially a hastened Rummaging Goblin, you get access to madness costs on your spells with very little effort, with the main upside being that you will have a dedicated way to fill your graveyard with cards that want to be there, right from the command zone
Also, you can exile from your foe's graveyard as a break on their abuse and reuse, and on a four player game there should be enough to feed on just once a round rather than your stuff
Ironically, Erebos is another card that has Yawgmoth's Bargain vibes, this time letting you draw cards for life, which is an extremely common Black proposition
