Mardi Gras Magic. Expires Claim % match bonus + free spins on Mardi Gras Magic by depositing $50 with the code CARNIVAL Mardi Gras Magic. . Then use the code SAMBASUNSET-3 and get free spins on Samba Sunset. Bonus valid for: Mardi Gras Magic Image Mardi Gras. 30 Free Spins at Platinum Reels Casino. Then use the code CARNIVAL and get free spins on Samba Sunset. Bonus valid for: Mardi Gras Magic Image Mardi Gras.