Artifact
If you would get one or more {E}, you get twice that many {E} instead.
{T}: You get {E}, then you may pay one or more {E}. If you do, create an X/X black Aetherborn creature token, where X is the amount of {E} paid this way.
Avaati Vya's invention stabilized raw aether, but even she didn't know it would also create life.