Rim the glasses by rubbing honey on the edge and dipping into black sugar.
In a blender, puree the honeydew melon until smooth.
Strain through a fine mesh strainer into a large pitcher.
Stir in pineapple juice, lime juice, honey or vanilla syrup, and green food coloring (if using).
Add lemon-lime soda, club soda, and pomegranate juice or blackberry syrup. Stir gently.
Add ice cubes to the pitcher or glasses.
Drop a few blueberries and blackberries into each glass.
Garnish with mint leaves, a cinnamon stick, and gummy worms.
For dramatic flair, add a small piece of dry ice using tongs. Allow bubbling to stop before drinking.