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

Calculating dependencies ... done!
Dependency resolution took 1.76 s (backtrack: 0/20).

[ebuild  NS    ] dev-lang/python-3.12.15:3.12::gentoo [3.13.12:3.13::gentoo, 3.14.3:3.14::gentoo] USE="ensurepip gdbm ncurses pgo readline sqlite ssl -bluetooth -debug -examples -libedit -test -tk -valgrind -verify-sig (-jit%) (-tail-call-interp%)" LLVM_SLOT="(-19%*)" 20356 KiB
[ebuild  N     ] app-shells/tcsh-6.24.16::gentoo  USE="nls -man" 939 KiB
[ebuild  N     ] dev-lang/tk-8.6.17:0/8.6::gentoo  USE="threads truetype (-aqua) -debug -test -xscreensaver" 4486 KiB
[ebuild  N     ] dev-tcltk/blt-2.5.3-r4:0/25::gentoo  USE="jpeg -static-libs" 2712 KiB
[ebuild  N     ] sci-electronics/magic-8.3.365::gentoo  USE="cairo opengl -debug" 10555 KiB

Total: 5 packages (4 new, 1 in new slot), Size of downloads: 39046 KiB