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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] sci-biology/raxml-8.2.13::gentoo  USE="threads" CPU_FLAGS_X86="sse3" 9963 KiB

Total: 1 package (1 new), Size of downloads: 9963 KiB