/usr/lib/libGraphicsMagickWand.so is in libgraphicsmagick1-dev 1.3.12-1.1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libGraphicsMagickWand.so.2.2.0
/usr/lib/libGraphicsMagickWand.so.2.2.0