Police seized drugs, replica handguns and prohibited weapons when officers executed three search warrants at residences in Kitchener and Waterloo.
The drugs seized include carfentanil, fentanyl, crystal meth, cocaine, mushrooms, MDMA, heroin and marijuana, according to Waterloo regional police.
Along with the handguns, police seized knives and a flail, three balls with points on chains attached to a handle.
Police said a 33-year-old man and a 33-year-old woman were arrested in connection with the search warrants.
During the arrest of the male suspect, police said officers discovered more carfentanil and meth, and seized prohibited weapons.