Midarizer is a machine in Fiend Folio, a mod for The Binding of Isaac.

Converts any rock trinket into its golden variant for 10¢.

Has a 50% chance to go to sleep, refusing to convert any more trinkets.

Cannot be destroyed.

Exclusive to Golem's Subway. Has a 20% chance to appear on an odd-numbered floor, and 5% chance on an even-numbered floor.

• Check out the machine description on the mod's external Wiki.
• Download Fiend Folio from the Steam Workshop.