Phyrexian Revoker is just a solid bread and butter card for any good cards style Cube, and it gains points for being an artifact in some other environments
If Mono-Black control is ever a thing (maybe with Liliana, Dreadhorde General), this will be great in it
Stay flexible, keep some sacrifice outlets ready, and rely on reanimation spells to stay in the game
While there's been some methods of skirting around this list, such as the oversized Commander Arsenal version, there really hasn't been any other way of seeing her come back
I also really enjoy how synergistic this version of the Doctor is with Amy Pond and her partner, Rory Williams
Name Lhurgoyf with Ashes, and suddenly all your self-Mill and discard effects let you cheat creatures into play