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.)
Proliferate
Format Legality
Standard Not_legal
Pioneer Not_legal
Modern Legal
Legacy Legal
Vintage Legal
Commander Legal
Pauper Not_legal
