17 cards where it’s legal in Vintage and the card is available on Magic Online and the card types include “aetherborn”

Aetherborn Marauder (Outlaws of Thunder Junction Commander #125)
Alley Strangler (Aether Revolt #52)
Ambitious Aetherborn (Kaladesh #72)
Consuming Aetherborn (March of the Machine #97)
Contraband Kingpin (Kaladesh #177)
Defiant Salvager (Commander Legends #117)
Gifted Aetherborn (Aether Revolt #61)
Gonti, Lord of Luxury (Outlaws of Thunder Junction Commander #135)
Ironclad Revolutionary (Aether Revolt #65)
Lawless Broker (Kaladesh #86)
Midnight Entourage (Aether Revolt #66)
Night Market Aeronaut (Aether Revolt #67)
Prakhata Club Security (Kaladesh #98)
Syndicate Trafficker (Kaladesh #101)
Vengeful Rebel (Aether Revolt #73)
Weaponcraft Enthusiast (Kaladesh #105)
Yahenni, Undying Partisan (The Lost Caverns of Ixalan Commander #214)

The arc of my blade has carved a path of light to the end of these results.