Performance drink

Just wanted to get some opinions on the following preworkout drink for a sporting event consisting of maximal effort for 2 minutes or less:

2 scoops Power Drive,
2 tablespoons Ribose c,
1 50mg ephedrine,
1 caffine pill,
12 oz. cold water,

Any comments or suggestions for improvement of this drink.

Thanks

no carbs?

Maclar, what would you suggest for carbs ??