Here are some suggestions for rewriting the given phrases:
1. Margaritas without sugar
2. Margaritas with reduced carbs
3. Cocktails with fewer calories
4. Mixes for making margaritas without sugar
5. Sugar-free margarita options
6. Margaritas with low carbs
7. Margaritas for the health-conscious
8. Mixes for making low carb margaritas
9. Low calorie mudslide mixes
10. Martini mixes