Complex sentence: Some of the effects in this episode were created in Robert Legato's basement using water reflections and Christmas tree lights, while a Klingon Targ was created using a tame wild boar in a costume.
Split into simpler sentences: Some of the effects in this episode were created in Robert Legato's basement using water reflections and Christmas tree lights. In addition to lighting effects, a Klingon Targ was created using a tame wild boar in a costume.