It expedites your access to spells from the top of your library in exchange for docking your life total to cast those spells
Still, despite getting crushed, he's easily one of my favorite commanders this year
It works thematically but having Hakka bounce to let you scry takes a mediocre ability and makes it even worse

At a rate of approximately 1:7 for Sets: Kaladesh Remastered , Adventures in the Forgotten Realms , Streets of New Capenna , Alchemy: New Capenna , Alchemy Horizons: Baldur's Gate , Dominaria United , Phyrexia: All Will Be One , Alchemy: Phyrexia , March of the Machine , The Lord of the Rings: Tales of Middle-earth , Wilds of Eldraine , Alchemy: Eldraine , Alchemy: Ixalan , Alchemy: Karlov Manor , Outlaws of Thunder Junction , Modern Horizons 3 , Bloomburrow , Alchemy: Bloomburrow , Duskmourn: House of Horror , Alchemy: Duskmourn , Magic: The Gathering Foundations , Aetherdrift , Alchemy: Aetherdrift , Tarkir: Dragonstorm , Alchemy: Tarkir , Edge of Eternities , Alchemy: Edge of Eternities , Magic the Gathering | Avatar: the Last Airbender , Lorwyn Eclipsed, Secrets of Strixhaven, Alchemy: Strixhaven At a rate of approximately 1:6.5 for Shadows over Innistrad: Remastered At a rate of approximately 1:6 for Sets: Amonkhet Remastered , March of the Machine: The Aftermath

Ulamog's Crusher is generally going to be better at closing games out, but the fact that you can cycle this away gives it a little more versatility
This means that - unless fans can attend in person and claim the card themselves - they'll likely be paying a high price on the market second-hand