Artifact

Aether Refinery

Aether Refinery trading card
Artifact2 exact printings

If you would get one or more {E} (energy counters), 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.

From Magic: The Gathering.

Exact printings

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6oh8lsccyjpb1h30pbik7k.