From the Elemental commission series: blackie_rat as a Luck Elemental!

Take a chance, spin the wheel - odds are in favor of the house (and maybe the house is Life itself), but perhaps today's your lucky day? This black rat is an auspicious sight! Good fortune follows wherever this Elemental goes, granting favorable odds and timely breaks to those who cross his path. May prosperity and success find you and all things you touch today be charmed.