Hulda, River Hag

Coven (This creature and two other creatures can be
your commanders if all of them have coven.)
{1}, Sacrifice two Food, {t}: Tap target creature.
It doesn't untap during its controller's next
untap step.
{6}{u}, Sacrifice three Food, {t}: Gain control of
target tapped creature. This ability costs {1} less
to activate for each commander you control.