I use:
Red Hozwer
Blue Demon Meliodas
Red Gowther
Red Jericho (Sub)
But I guess you can use any of these heroes found here:
https://7dsgc.fandom.com/wiki/PVE_Equipment_Farm_Teams
I've switched to this team after watching this video from Nagato! https://youtu.be/TA_9IXep_tY
What do you think?