Contagion Engine 145 (Scars of Mirrodin) - Foil

When this artifact enters, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

NM - $46.00
LP - $36.80
MP - $27.60
HP - $18.40
DMG - $9.20