Olivia, Lady of Innistrad

Flying, lifelink
{b}{r}: Olivia, Lady of Innistrad deals 1 damange
to any target. Create a 1/1 black Vampire Knight creature token with lifelink.
{2}{b}{r}, Sacrifice another Vampire creature you control: Gain control of target creature as long as
you control Olivia, Lady of Innistrad.