For the record this effect was invented by a very talented magician Dan Harlen I believe its called Card-toon. The other rest is a Michael Ammar Bill transform not sure about the big wad of cash but that might be by John Cornelius
Right about the bill change.
I do 2 $1 bills to a single $2 bill (and back).
A real effective slight at the Thanksgiving dinner table or at
the work coffee pot after you “borrow” a dollar.