Not in Vintage
@fsecco Yawgmoths Bargain is still better in a Rector shell. Not to mention Song of creation might as well be WUBRG.
Can you play use Jegantha, the Wellspring as a companion in a deck that contains an Aladdin's Lamp from the Arabian Nights Set?
I almost don't think you can do it with a creature or without breaking standard. It would have to be something so narrowly tailored to the format that they were obviously building it just to foster a new archetype.
Your starting deck cannot contain any artifacts that cost 1 or less
Null rod/Grafdiggers cage