20% Off Brunch and Dinner Buffet – Brunch (reg. $21.99); Dinner (reg. $32.99); Weekend Brunch (reg. $29.99); Weekend Gourmet Dinner ($39.99). See Description for more details and restrictions* Grandest of Buffets The MGM Grand Buffet’s enormous array of cuisine is sure to grant your culinary wishes. From the Champagne brunch to the endless beer and wine with our dinner Prime Rib and Crab Legs, guests will find plenty of favorite dishes. * Not valid with other offers. Holidays are excluded.