It's great to share knowledge about herbs.
Formulation is a fascinating artform, mixing herbs tigether to maximise the benefits of a brew. It's often prudent to add a herb to a mix that has a specific function (like Ginger for dispersing or Mugwort to carry the benefits deeper into the body) or an affinity For a specific organ or system (eg Nettles for the kidneys) to help carry the benefits directly to where you want to use them.
I was inspired by your post to wrote one of my own about a classic mix of Yarrow, Peppermint and Elder Flower. Thanks!