These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.08 s (backtrack: 0/20).

[ebuild  N     ] media-gfx/jhead-3.08-r1::gentoo  1120 KiB
[ebuild  N     ] media-gfx/imagemagick-7.1.2.32:0/7.1.2-18::gentoo  USE="X bzip2 cxx fontconfig jpeg jpeg2k openmp png tiff truetype zlib -corefonts -djvu -fftw -fpx -graphviz -hardened -hdri -heif -jbig -jpegxl -lcms -lqr -lzma -opencl -openexr -pango -perl -postscript -q8 -q32 -raw -static-libs -svg -test -verify-sig -webp -wmf -xml -zip" PERL_FEATURES="ithreads (-debug) -quadmath" 9939 KiB
[ebuild  N     ] virtual/imagemagick-tools-1::gentoo  USE="jpeg png tiff -perl -postscript -svg" 0 KiB
[ebuild  N     ] media-gfx/jigl-2.0.1-r1::gentoo  35 KiB

Total: 4 packages (4 new), Size of downloads: 11093 KiB