And if there ever comes a time in the near future where aggressive decks start to overtake the format, having a one-mana answer that gives you some splash damage for weirdo permanents like Aether Vial is huge
And I suppose the reanimation and regenerate abilities aren't bad, either
Barring cards like Beast Whisperer or other draw-effects, you often have to vomit your hand onto the battlefield, and that is often the way you can bring balance to the force
The Emperor, Hell Tyrant // Yawgmoth, Thran Physician does everything the archetype wants: controls the opponent's board, sacrifices creatures, draws cards
It reminds me a lot of the original five Phyrexian praetors, especially Elesh Norn, Grand Cenobite and Vorinclex, Voice of Hunger