When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature. 4,T: Proliferate. (You choose any number of permanents and/or players with counters on them, then give each another counter of a kind already there.)
Near Mint - $0.30
Lightly Played - $0.30
Moderately Played - $0.30
Heavily Played - $0.20
Damaged - $0.20
Near Mint Spanish - $0.30
Lightly Played Spanish - $0.30
Moderately Played Spanish - $0.30
Heavily Played Spanish - $0.20
Damaged Spanish - $0.20