Plane Shift Kaladesh have the Aetherborn race. They can gain access to ability called Drain Life, a natural attack that deals 1d6 necrotic damage and heals the user in HP in damage dealt. Can this "natural attack" be used with monks flurry of blows to deal and heal multiple d6 in single round of combat?

Plane Shift: Kaladesh has the Aetherborn race. At the DM's option, they can gain access to ability called Drain Life, a natural attack that deals 1d6 necrotic damage and heals the an amount of HP equal to the damage dealt. 

Can the gifted aetherborn's "natural attack" be used with a monk's Flurry of Blows to deal and heal multiple d6 in single round of combat?

Plane Shift Kaladesh have the Aetherborn race. They can gain access to ability called Drain Life, a natural attack that deals 1d6 necrotic damage and heals the user in HP in damage dealt. Can this "natural attack" be used with monks flurry of blows to deal and heal multiple d6 in single round of combat?

Plane Shift Kaladesh have the Aetherborn race. They can gain access to ability called Drain Life, a natural attack that deals 1d6 necrotic damage and heals the user in HP in damage dealt. Can this "natural attack" be used with monks flurry of blows to deal and heal multiple d6 in single round of combat?