Oryx, the Taken King

Flying, vigilance, menace
Whenever Oryx enters the battlefield, gain
control of up to three target creatures, they
become black and are Taken in addition to their
other types.
{x}{u}{b}{g}{t}: Exile target creature, create a copy
of it except it is black and is a Taken in addition
to its other types, then put X +1/+1 counters
on Oryx.