0 min AMRAP
5 muscle ups (sub 5 CTB or regular pull-ups).
10 cals assault bike or 14 cals row/ski. 
10 burpees
30 double unders
*Sub any variety of 5 pull-ups or 10 strict ring rows.
*If you have consistent DUs your 30 reps must be unbroken. If you miss a rep you must start back at zero. This is only for people who have good DUs.
*Sub jump tucks if you don't have DUs.