We also run powerful support cards to close out games like Chandra's Incinerator turning all ping damage into creature removal, Laelia, the Blade Reforged growing into an enormous threat with Ob's exile draw, turning Ob into a 1-shotter with Temur Battle Rage, and protecting him from removal with tons of cards like Armor of Shadows
It's not wrong in the sense that it sucks
Long gone are the times we were shoehorning Muck Drubb into the deck
Today, I focus on cards that help a typal deck in a generic way, like Cavern of Souls and Coat of Arms, and not on a specific creature type like elves or goblins
The card cast from Lurrus isn't exiled, so as long as it doesn't get removed from the graveyard through other means, you can always recast any spell you play with Lurrus on your next turn