Contagion Engine 1095 (Secret Lair Drop Series) - 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 - $21.00
LP - $16.80
MP - $12.60
HP - $8.40
DMG - $4.20