OffShoot by Hedge can automatically use o/PARASHOOT to erase cards after a successful backup job. To enable this, go into its preferences and enable it under "Integrations":
You might also want to visit their corresponding help article.
Renaming files on the fly
Starting with OffShoot version 24.4 renamed files are communicated to ParaShoot so we can make sure they are present before you erase the card.