Between Judith and Juri such a deck wasnt lacking for good Commander options, but getting a free sacrifice outlet guaranteed is a pretty big deal
Having to pay life and mana for the extra card is a little rough but you don't have to add anything after the mill, making it a recurrable mill engine for reanimator decks, descent decks, self mill etc
While that number seemed impressive for a new TCG at the time, Elsa has well and truly smashed her record into the ground, with a copy selling not just for $1000, but over $7000, an increase of 600%
It can be half a Plow Under while still doing other useful things, it can Eladamri's Call to cycle the card nicely whilst using for other ends
But some day it'll work
At the higher end of the curve, Red Deck Wins also runs the mighty [c]Goldspan Dragon[/c]