Angel Feather (エンジェルフェザー Enjeru Fezā) is a clan from the nation of United Sanctuary. Most of the clan's units are angels, hence the name. Their units are styled around doctors, nurses, hospitals, and anything that has to do with healing, rescuing, or hospitality.
What is Angel Feather? (Card of the Day, July 29, 2015)
It is a medical institute of which headquarter is located in "United Sanctuary", the nation which combines white magic and science. The institute is composed of angels with high level of medical technology and healing magic. Hundreds of medical teams are dispatched all over the world, and as a neutral third party, they heal all patients on the battlefield regardless of nationalities and races.
In addition to healing, they also possess combat abilities for non-aggressive defense. Many special teams exist within this organization, and are responsible for specific purpose of healing or combat with good interaction among individuals.
The Special Forces of "Angel Feather" (Monthly Bushiroad, June Issue 2016)
"Blossom Healers", the special medical force which provides psychological therapies and counselling service.
"Innocent Messengers", the special medical service force which delivers messages between the medical institutes in the heavenly realm and the realm of men.
"Silver Creators", the special development force which produce doctoroids and medical devices.
The clan's main focus is manipulating cards in the damage zone, either by calling cards from the damage zone, swapping cards between the hand and damage zone, or even outright healing. Since this often allows Angel Feather to remove face-down cards from the damage zone and exchange them for fresh face-up cards, Angel Feather can effectively Counter Charge large amounts of damage, allowing them to heavily utilize Counter Blast costs.