The Angry Sun Effect
From the Super Mario Wiki
The Angry Sun Effect is an official course in Course World in Super Mario Maker 2. It is a level published by NintendoAU, and was shown on the third episode of The D.I.Y. Shift. It is set in the desert theme and in the Super Mario Bros. style.
The level begins with an Angry Sun and some Dry Bones amidst some Semisolid Platforms and a ? Block containing a Super Mushroom. After some Mushroom Platforms and a few Brick Blocks, Mario will encounter a Lift on a track, followed by a Brick Block containing a Super Mushroom and a higher-up ? Block containing a Super Star. After passing a Spike Top and a few more Dry Bones, Mario must cross groups of Icicles to the Goal Pole.
"Beat the heat in a desert stroll!"