Julia, the Sound of Progress

If you would create a Treasure token, instead
create a token that's a copy of Power Depot.
That token enters the battlefield untapped and
has vanishing 2. This replacement effect
applies only to the first Treasure token you
create each turn.
{2}{r/g}, {t}: Create a Treasure token.
{5}{g/u}, {t}: Proliferate.
Power Depot:
https://gatherer.wizards.com/Pages/Card/Details.aspx?name=Power+Depot
Artwork source:
https://www.artstation.com/artwork/oO0BqL