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 - $2.900
Lightly Played - $2.300
Moderately Played - $2.000
Heavily Played - $1.700
Damaged - $1.500
Near Mint Spanish - $2.900
Lightly Played Spanish - $2.300
Moderately Played Spanish - $2.000
Heavily Played Spanish - $1.700
Damaged Spanish - $1.500
Foil Prices
Near Mint Foil - $4.200
Lightly Played Foil - $3.400
Moderately Played Foil - $3.000
Heavily Played Foil - $2.500
Damaged Foil - $2.100
Near Mint Foil Spanish - $4.200
Lightly Played Foil Spanish - $3.400
Moderately Played Foil Spanish - $3.000
Heavily Played Foil Spanish - $2.500
Damaged Foil Spanish - $2.100