Mono-Black has access to a lot of cards that benefit from multiple swamps being controlled, and since you're in a Mono-colored deck, nearly all your lands will be just that
WotCs willingness to ban newer, powerful cards quickly suggests a reactive approach to balance
Well cover more ground this way. Rian, former survivor Illustrated by Dominik Mayer Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
While it requires a creature with power 4 or more and can only fetch dinosaurs, it does protect the tutored creature from removal, ensuring you dont two-for-one yourself by wasting a tutor and a creature only to have it die to a Murder
Whether Urza should see play ultimately depends on the specific strategy and synergy of the deck it's being considered for
Her Enchanted version stands out, as you can see more of the Inventor side of her personality coming out