Angel

Angels are flying beeings that are mostly noble and capable fighters. They often appear in the Boros Legion and even can be found unaffiliated. Even the strange dark angeld of the Orzhov have a mysterious nobility to them since they are deeply loyal.

Sources:

https://scryfall.com/card/gtc/3/angelic-skirmisher

https://scryfall.com/card/gpt/101/angel-of-despair

https://scryfall.com/card/rna/3/archway-angel

https://scryfall.com/card/rna/1/angel-of-grace