Preheat the oven to 350F. Using a large skillet, brown the ground beef until no pink is left.
Add the enchilada sauce and salsa and mix well. Set aside
Spray the bottom of a 9 x 13-inch casserole dish with cooking spray and layer two tortillas at the bottom
Spoon ⅓ of the meat mixture over the tortillas
Sprinkle 1 cup of corn evenly over meat sauce
Top with ⅓ of the shredded Cheddar cheese
Repeat layers ending with tortillas, meat sauce, and cheese and bake for 30 minutes or until cheese is melted and bubbly.