Ominous Curse

An enemy targeted by this card cannot use
Brushstrokes. In addition, whenever this enemy
is hit by an imps Attack, the Black Imp regains
one Life point.
Once played this card cannot be removed until
the Black Imp targets a new enemy with it, the
target hits 0 Life points, or until the Black Imp
is hit with a potent Brushstroke and returns it
to the owner