Many scholars believe that these creatures were the result of Urza's first attempt at mechanical life, perhaps created in his early days as an apprentice to Tocasia.

Ornithopter

"It has been my honor to improve on Thran's original design. Perhaps history will remember me in some small part for my work."
—Urza, in his apprenticeship

Dominaria Remastered

Once a year, the skies over Paliano fill with the flying machines of those who hope to be taken on as pupils by the artificer Muzzio.

The Brothers' War Retro Artifacts

"Without Urza's ingenuity, the wings
would never have borne weight. Without
Mishra's courage, we would never have
known the machine's true potential. I hope this persuades them to work together more."
—Tocasia, journal entry