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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] media-libs/libva-2.23.0:0/2::gentoo  USE="X -glx -wayland" 298 KiB

Total: 1 package (1 new), Size of downloads: 298 KiB