Disclaimer: This is a datapack and not a mod. That means the custom items are solely a different texture on the normal Totem of Undying through a resourcepack. The functionality resides in the datapack folder. I will update the datapack and answer your suggestions or questions, so tell wathever you need
How to install
Download the datapack and put it in the "datapack folder" inside your world's folder
For the textures you need to install the resourcepack and put it in the "resourcepacks" folder. Texture pack link: https://www.curseforge.com/minecraft/texture-packs/custom-totems-without-optifine
What does it change?
This datapack add new drops for the evoker as totem of undying's skins