Otis
Format AMRAP
Complete as many reps as possible in 15 minutes of: 1 back squat, 1 shoulder press, 1 deadlift 2 back squats, 2 shoulder presses, 2 deadlifts 3 back squats, 3 shoulder presses, 3 deadlifts Etc. Use 1½ body weight for the squats and deadlifts and ¾ body weight for the presses.
Scaling
Keep the clock. Lighten the load or simplify the hardest movement.