Morgaine le Fey, Sorceress

Ward - Pay 5 life.
Wither (This deals damage to creatures in the form
of -1/-1 counters.)
When Morgaine le Fey, Sorceress enters the battlefield, gain control of target creature for as
long as you control Morgaine le Fey, Sorceress.
Whenever Morgaine le Fey, Sorceress deals
damage to a creature or plainswalker, put a
number of +1/+1 counters on it equal to
its power.