I peeked at source and noticed there's no way via a #gmcommand. I have this on my rebuildeq server though.
I'll write a pull request for #spelleffect.
I also have #playsound, may as well PR that too.
You can also see a preview of all of them from shendare's work long ago -
https://github.com/Shendare/EQSpellA...er/spell_anims