Speaking to Mi Gan-Zo will open a pop-up box offering a free ride to the Shoushi casino.
Lore & Dialog
Mi Gan-Zo tells you, "Good day to you! I haven't seen someone looking so lucky walk by my booth in a long time. You should head my casino in Shoushi and test your luck!" Mi Gan-Zo tells you, "Come back later when you're ready to win big."