Except, if you knew where to look for it, this one was still there. You assigned a function to it and it became a handle for modifying Reality itself. I linked it to
tr/[a-z]/[A-Z]/and pushed the frame of it over the plate-glass window of the bank, and the gold-foil lettering announcing the name of the bank*, indeed, changed to uppercase.
Then I woke up, as I realized that they had left the power in there for their own ends, and would probably kill unauthorized users…
* It was a long, overdone, corporate-flavored name like “Actual Bank of the United States of America, A Global Services Marketplace Group Company” (where "Actual Bank" is the name of a real bank, but not Bank of America.)