When Tainted Adversary enters the battlefield, you may pay {2}{B} any number of times. When you pay this cost one or more times, put that many +1/+1 counters on Tainted Adversary, then create twice that many 2/2 black Zombie creature tokens with decayed. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)
Near Mint - $800
Lightly Played - $600
Moderately Played - $600
Heavily Played - $500
Damaged - $400
Near Mint Spanish - $800
Lightly Played Spanish - $600
Moderately Played Spanish - $600
Heavily Played Spanish - $500
Damaged Spanish - $400
Foil Prices
Near Mint Foil - $1.500
Lightly Played Foil - $1.200
Moderately Played Foil - $1.000
Heavily Played Foil - $900
Damaged Foil - $800
Near Mint Foil Spanish - $1.500
Lightly Played Foil Spanish - $1.200
Moderately Played Foil Spanish - $1.000
Heavily Played Foil Spanish - $900
Damaged Foil Spanish - $800