When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)
Near Mint - $9,900
Lightly Played - $8,000
Moderately Played - $7,000
Heavily Played - $6,000
Damaged - $5,000
Near Mint Spanish - $9,900
Lightly Played Spanish - $8,000
Moderately Played Spanish - $7,000
Heavily Played Spanish - $6,000
Damaged Spanish - $5,000
Foil Prices
Near Mint Foil - $10,400
Lightly Played Foil - $8,400
Moderately Played Foil - $7,300
Heavily Played Foil - $6,300
Damaged Foil - $5,200
Near Mint Foil Spanish - $10,400
Lightly Played Foil Spanish - $8,400
Moderately Played Foil Spanish - $7,300
Heavily Played Foil Spanish - $6,300
Damaged Foil Spanish - $5,200