Contagion Engine
Scars of Mirrodin
6
Colorless
Artifact
Rare
145
Daarken
When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate, then proliferate again. (You choose any number of permanents and/or players with counters on them, then give each another counter of a kind already there. Then do it again.)
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