Death by Pike Push-ups & Dips
Every minute you add 1 rep of each movement and you go until you cannot finish the series in that minute time cap.
1st minute you do 1 pike push-up +1 dip.
2nd minute you do 2 reps both and so on.

B) 3 rounds
30s of straight arm bird dogs and 30s inverted plank.
Minimum rest between the rounds.

C) Tabata of handstand hold
20s work/10s rest for 8 rounds