The Pony Character Prompt Picker node reads an Excel file specified by the user, allows manual selection of a tab, and randomly picks a cell value from a specified column, starting from row 3 to the end. The selected value is output as a string to the next node in the ComfyUI workflow.
https://github.com/jeffrey2212/ComfyUI-PonyCharacterPrompt
git clone https://github.com/jeffrey2212/ComfyUI-PonyCharacterPrompt
comfy node install ComfyUI-PonyCharacterPrompt