Blem, Acolyte of the Toll

When Blem enters the battlefield, tap all artifacts.
Each player draws cards equal to the number of artifacts tapped this way.
{r/w}{r/w},{t}: Creatures target player controls gain
first strike and lifelink until end of turn.
{w/u}{w/u},{t}: Creatures target player control gain
flying and vigilance until end of turn.
"Blang blem Blem blang"
-Blem, Acolyte of the Toll