Over the past couple of years, there has been an uptick in theft centered around Pokemon cards
1 Herald of the Pantheon
Like most Magic: The Gathering cards, the value of Citywatch Sphinx depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Guilds of Ravnica)
That said, three mana for one and a sacrifice isn't anything to scoff at
While there are currently over five hundred zombies that are playable within the Commander format, there are a wide variety of non-creature cards that provide stellar zombie synergies
(Each in the mana costs of permanents you control counts toward your devotion to black.) Creature - Zombie Color tag templates(None) K'rrik, Son of Yawgmoth ( can be paid with either or 2 life.) Lifelink For each in a cost, you may pay 2 life rather than pay that mana