The most valuable benefit offered is the discount on room rates at participating MGM properties. Sapphire is the M Life status level you receive just for signing up. Related: Inside the hidden 51-room luxury hotel at the top of the MGM Grand Sapphire You can also earn free hotel rooms, show tickets and other prizes at MGM Resorts by playing the MyVegas app. The M Life 'elite calendar' usually runs from Oct. M Life members also earn eight Tier credits per dollar for room and incidental charges at participating Hyatt hotels. M Life members earn 25 tier credits per $1 spent at Las Vegas locations. Tier credits can be earned on all gaming activities and spending on hotel rooms, dining, entertainment and spa services. By signing up, you will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.