Contagion Engine
Artifact
When this artifact enters, put a -1/-1 counter on each creature target player controls. , : Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)
rare · #145 · som
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Rank supplied by Scryfall from EDHREC; it may lag behind EDHREC. Deck counts and synergy percentages are not included.