My January mailer shows some changes to their promotions. Mailers for other players may be different. Details not on the Palms website yet.
Buffet Deal - One free brunch or dinner after earning 500 tier points Monday - Tuesday. Used to be earn two free brunch buffets Monday - Friday for 500 tier points.
Point Multiplier - 2x - 5x depending on card level Thursdays. Used to be 5x Sundays.
Senior Multiplier - 5x Monday and Wednesday 5 am till noon. Used to be 5x 6 am - 3 pm Fridays.