Contagion Engine (MR) (Foil) – Outlaws of Thunder Junction Breaking News – Wizards of the Coast from Wizards of the Coast

Description

Contagion Engine
Artifact
When Contagion Engine enters the battlefield, 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.)