From a creative standpoint, it seems the designers are listening to feedback about their recurring protagonists being too prominent, but sticking to their guns about worlds being connected to a larger narrative
The biggest issue comes from sequencing
Card draw is really important, and Nick Wilde Persistent Investigator has the potential for lots of it
Your opponents want to ensure each player gets at least one vote so they dont get a free permanent on the field, but you also want to make sure nobody draws too many cards
Umori, the Collector One of the Companions of old, Umori, is a perfectly good Commander in its own right
These creatures highlight some of black manas greatest strengths, a drive for power and the ability to do anything to grasp it