Unlike Valgavoth and Aminatou, Zimone isn't quite so original
PHYREXIAN TOWER Phyrexian Tower is a fantastic sacrifice outlet
The deck is far too creature-heavy, with 39 in total, which is somewhat understandable given there will be a lot of sacrificing, but that's typically reserved for tokens, which can be created by instants, sorceries, and enchantments
According to EDHREC, there are more than 2000 decks registered, which would slot him in around the 25th most played Commander
Roxanne whittles down opponents defenses by pulling in damaging Artifact Tokens that then double as sources of mana
There's always a chance you might ruin an otherwise perfectly good card