Wish Granted

"I wish for a gold coin that doubles every day, in that I have 2 the next day, 4 the day after that, and-" The urchin noticed that the Genie had frozen, as had the cave around him, in an eerie green light. Then a portal opened and a small figure in a black suit stepped through with a clipboard and a pair of half-glasses on a chain. "Hello. You have attempted to cast or invoke a magic spell that…