When you look at the raw metrics, the difference is night and day
I can see having cards in your deck that tap potential attackers, like Icy Manipulator and Opposition, so if an opponent doesnt draw a card from your commanders ability, you know you can keep your tap-down effects ready for potential attackers from their side of the battlefield
Restoration Angel can blink a creature, Luminous Broodmoth returns the recently deceased, and Aether Channeler can bounce a creature back to your hand to be played again (if you don't want to create a 1/1 bird token)
The 23 remaining 30th anniversary promos will likely be unveiled closer to their associated sets' release dates
End Step Rest in Peace is fighting the good fight against the undead hordes, and wants a bigger paycheck because of it
Theres a ton of self-mill, rummaging, and recursion in this deck, with a few grave-break payoffs that reward you for removing or casting cards from your graveyard