Rim a rocks glass with black decorated sugar. Combine Tequila, Midori Melon Liqueur, Elderflower Liqueur, Lime Juice, and Ginger Syrup in a shaker with ice and shake. Strain into the rocks glass over ice. Garnish with a lime wedge.

*Ginger Syrup
1 cup Sugar
1/2 cup Ginger Juice
1/2 cup Water

Combine Sugar, Ginger Syrup, and Water in a small saucepan over low heat. Simmer until all sugar dissolves. Allow to cool.