Aeromancy

Enchantment
When Aeromancy comes into play, put a 4/4 white Angel creature token with flying into play.
At the beginning of your upkeep, if there are no Angels in play, each opponent gains 1 life.
The card name is from the Master List (Ephraim's card).
Aeromancy (from Greek aero, "air", and manteia, "divination", is divination conducted by interpreting atmospheric conditions)
Aeromancy ties the card to
Sarcomancy, on which Aeromancy is obviously based, but maybe a better/different card name is in order.
I'm thinking of making my set a tribal set with Angel and Human as the two white tribes. A possible revision is:
Aeromancy

Tribal Enchantment - Angel
When Aeromancy comes into play, put a 4/4 white Angel creature token with flying into play.
At the beginning of your upkeep, if there are no Angel creatures in play, each opponent gains 1 life.
The tribal element of this card does nothing currently with no cards to support it (I had to specify "...if there are no Angel
creatures in play..." so that it did not count the enchantment itself). I will have to build Angel tribal cards around it to make it functionally different than the first version.