Well, Animate Dead allows you to bring a creature back to the battlefield from either your own, or your opponents graveyard and place it under your control
Now they are mostly played for style points and for the obvious snow reasons (Marit Lages Slumber, Dead of Winter, Jorn, God of Winter, etc.)
The only problem with the Urzatron is finding them in a 100-card Commander deck
Dicebreaker reports that the version currently available supports a typical 1v1 match you would see in Hearthstone with a clean layout thats easy to read and use
As you can tell from the previously mentioned MTG token doublers, the going rate is usually cost 4+ mana to cast
Having only been reprinted once before, its unlikely that Dockside Extortionist will fall too much now its on the list