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 - $0.75
Lightly Played - $0.75
Moderately Played - $0.75
Heavily Played - $0.50
Damaged - $0.50
Near Mint Non-English - $0.75
Lightly Played Non-English - $0.75
Moderately Played Non-English - $0.75
Heavily Played Non-English - $0.50
Damaged Non-English - $0.50