Ive long been an advocate of banning several Reserved List cards, including the dual lands from Legacy for (wink wink) power level reasons
Even with losing a card just to get this Mox on the battlefield, it's still an incredible piece of fast mana
If you use the Sphinx, not only will you be able to cheat two Doctors out per turn instead of one with Gallifrey Stands, but youll be able to use a card in your main phase to get a bunch of Doctors into play and win the game before your second main phase
Tormod, the Desecrator is rather elegant for not stepping on the toes of most other zombie combos and strategies like Cemetery Reaper, most of which want to send creatures to the graveyard with sacrifice effects
As a result of this, the price of the card is rather expensive, being worth around $8 each
While my love for the card was high, the number of Allies in my Sakashima deck was not