Here are the templates and directions for automating HVZ updates in Google Ads/Google Merchant Center:
Template for H/V/Z Rule Engine Automation Sheet - please make a copy of this when you want to automate your heroes/villains/zombies
Template for H/V/Z supp feed with =importrange function - please make a copy of this when you want to automate your heroes/villains/zombies
If you use and follow these directions, you will have a fully automated Heroes/Villains/Zombies system in your account