When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Near Mint - $200
Lightly Played - $200
Moderately Played - $100
Heavily Played - $100
Damaged - $100
Near Mint Spanish - $200
Lightly Played Spanish - $200
Moderately Played Spanish - $100
Heavily Played Spanish - $100
Damaged Spanish - $100
Foil Prices
Near Mint Foil - $800
Lightly Played Foil - $600
Moderately Played Foil - $600
Heavily Played Foil - $500
Damaged Foil - $400
Near Mint Foil Spanish - $800
Lightly Played Foil Spanish - $600
Moderately Played Foil Spanish - $600
Heavily Played Foil Spanish - $500
Damaged Foil Spanish - $400