Shifting Sands Stage
From the Super Mario Wiki
Shifting Sands Stage is the fourth world in Mario Pinball Land. Mario encounters Pokeys, Lakitus, Spinies, and Kleptos. Mario can enter Egyptian Koopa's pyramid and find Snakes and Shy Guys as well as two of Toad's Tents, on the left and right sides. In the inner sanctum, Mario fights Egyptian Koopa. Using his magic against him, Mario defeats the boss and takes the Star Key to proceed to Fiery Stage.