Early Magic: The Gathering didn't have much leather, but it did have a lot of lace
While the reprogramming tended to keep most Robobrains from going murderously mad at the realization of what they'd been transformed into, hundreds of years without maintenance has completely circumvented such failsafes, leaving even most non-hostile Robobrains a little bit loopy
Plus, you can personalize them with your name or favorite MTG symbols
The lack of a 'once per turn' rider might make it too easy of a combo engine, but the design could be tweaked and balanced before receiving a proper paper printing.
Tutors are great, but this cards greatest strength lies in the political power it affords you
For two mana, you get a White 2/2 that you can pay one mana and tap them to activate magical tinkering