Sly Pickpocket

Flash
When Sly Pickpocket enters the battlefield, choose one:
-Target creature gets -1/-1 until end of turn.
-Create a colorless artifact token called Gold which has, "Sacrifice this artifact: Add one mana of any color to your mana pool."
"Excuse me miss, but could I bother you for the time?" asked the young man. It was only after he had left that Ivana noticed her purse was missing.