Every 2:00 x 2:
50 Double-unders
10 Deadlifts

Every 2:00 x 2:
40 Double-unders
8 Deadlifts

Every 2:00 x 2:
30 Double-unders
6 Deadlifts

Every 2:00 x 2:
20 Double-unders
4 Deadlifts

Every 2:00 x 2:
10 Double-unders
2 Deadlifts

Increase weight each set.