Hazel Zanteres, Mercy's Doctor

While Hazel Zanteres, Mercy's Doctor is on the
field, Being cards on the controlling player's field cannot be destroyed during battles, but their attack/defense values are reduced by -1/-1 for
each time they survive. They are destroyed when
their defense value reaches 0.
Force Healing {t}{w}{w} (The controlling player
gains Vitality equal to Hazel Zanteres, Mercy's
Doctor's current defense value).