As rx'd, but subbed double-unders for crossovers.  3 rounds + 8 snatches.

Tried crossovers in warm-up, and I could get one – but could not string them together at all.  Would have been futile to attempt that.  Double-unders are arguably…harder? 
So not too sad that I subbed.  70 was fine on the snatches, but that is a tough weight to do OH walking lunge.

50m/5'10"/180

Modified, using a 15 kg DB throughout: 
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5 RFT of: 

10 dumbbell snatches, L
10 overhead reverse lunges steps, L
10 dumbbell snatches, R
10 overhead reverse lunges steps, R
40 jumping jacks 

> 24'46''
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Peace.

Intermediate Option

288 reps

Beginner option:
12-minute AMRAP: (25# Db)
8 dumbbell snatches, arm 1
8 walking-lunge steps, arm 1
8 dumbbell snatches, arm 2
8 walking-lunge steps, arm 2
40 Jumping-jacks 

5 full rounds 

Reposting now that comments are open

12-minute AMRAP:
8 dumbbell snatches, arm 1
8 overhead walking-lunge steps, arm 1
8 dumbbell snatches, arm 2
8 overhead walking-lunge steps, arm 2
20 jumping jacks

7 rounds + 2, 10lb DB
Used as a light recovery workout

4+17, 50 lb 

Attempted Intermediate rep scheme with 35# DB (heaviest I have)
3 rds

Got through 15 crossovers in the first round then switched to 30 DUs for rounds 2 and 3.  It took me somewhere around 100 attempts to get 15 with a significant number of lashes to my back from the rope.  It was painful and I was getting too frustrated so I switched to the dubs.  Practiced crossovers more afterwards.

M/37/6'/176#

Intermediate scale
3+5 crossovers

(Trying to learn crossovers on the fly with a speed rope proved problematic.)

Deo gratias

12-minute AMRAP:
8 dumbbell snatches, arm 1
8 walking-lunge steps, arm 1
8 dumbbell snatches, arm 2
8 walking-lunge steps, arm 2
40 single-underS
8-lbs Squat Snatches and 8-lbs for walking Lungs
3-rds plus 32 reps

Scaled to 55lb db/40 crossovers

320 reps (4 rounds + 8/8/8/8/0)