Contagion Engine
Contagion Engine
When this artifact enters, put a -1/-1 counter on each creature target player controls.\n{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.)
+1/+1 Counters -1/-1 Counters Aggro Artifacts Matter Big Mana Combat Matters Counters Matter Infect Midrange Planeswalkers Proliferate Superfriends Voltron