Grazer

Spectral Cast {5} (you may cast this creature for is spectral cost, if you do sacrifice this creature as it
enters the battlefield)
When Grazer enters that battlefield, put a +1/+1 counter on target machine you control
and a -1/-1 on target creature you control
When Grazer dies, if it was cast using it's spectral
cast, create a 3/3 colorless Machine Protector artifact creature token and put a +1/+1 counter
on target machine you control