Callous Oppressor (ONS)

Callous Oppressor  (3) 
Creature — Cephalid (1/2)
You may choose not to untap Callous Oppressor during your untap step.
As Callous Oppressor enters the battlefield, an opponent chooses a creature type.
: Gain control of target creature that isn't of the chosen type for as long as Callous Oppressor remains tapped.