Yes, Moto Z2 Play does come with free style mod.
Standard packaging includes Mobile Phone with in-built battery, FREE Style Mod, USB Type C Cable, USB Power Adapter, SIM Ejector Tool, User Manual and a pair of Headphone.
Yes, Moto Z2 Play does have fingerprint sensor.
Moto Z2 Play has protection against water. It comes with water repellent nano-coating.
Yes, You will get Moto Style mod free in the box.