Q.Transplanting hostas
What kind of soil should I get and what nutrients should I add…thank you very much

Certified GKH Gardening Expert
As long as the soil is rich and slightly acidic, then it doesn't matter the brand of nutrients that you use. In fact, adding a layer of compost beats out nutrients drastically. This will be the preferred way to feed them.
https://www.gardeningknowhow.com/ornamental/foliage/hosta/transplanting-hostas.htm
This article will help: https://www.gardeningknowhow.com/ornamental/foliage/hosta/growing-hosta-plants.htm