Mobility (couch stretch, pigeon, roll out lats/triceps on ball or roller), then
Every 90-120 seconds with increasing loads do:
Front Squat 3-3-3-3-3-3...
How many rounds can you do in 9 minutes of:
3 Deadlifts (use the same bar or pick load; no belts)
7 Toes To Bar
21 Double Unders
Extra: Bench Press 8-8-8-8-8... & Climbing Board