In a medium saucepan, bring 2 cups of water to a boil. Remove from heat and add the green tea bags. Let steep for 5 minutes, then remove the bags and allow the tea to cool completely.

In a blender, combine the diced dragonfruit and mango juice. Blend until smooth.

In a large pitcher, mix the cooled green tea, blended dragonfruit and mango mixture, and simple syrup. Stir well to combine.

Fill a glass with ice and pour the refresher over the ice.

Garnish with lime wedges and fresh mint leaves if desired. Serve immediately.