ComfyUI-GTSuya-Nodes is a ComfyUI extension designed to add several wildcards supports into ComfyUI. Wildcards allow you to use __name__ syntax in your prompt to get a random line from a file named name.txt in a wildcards directory.
https://github.com/GTSuya-Studio/ComfyUI-Gtsuya-Nodes
git clone https://github.com/GTSuya-Studio/ComfyUI-Gtsuya-Nodes
comfy node install ComfyUI-Gtsuya-Nodes