Simulacrum

Simulacrum was an illusion spell.

Description
The spell allowed the creation of a moving ice-statue-look-alike of a person. The caster cast the spell on a snow or ice form. The form became then a look alike of a specific person with worse capabilities than the original. How much it actually looked alike with the original depended on the mundane disguise ability of the caster. Damage towards the figure could be repaired with special equipment and efforts. The figure was under complete control of the caster could be ordered to do anything.

Components
Shadow walk used verbal, somatic and material components namely a snow or ice figure, a body part of the creature to be copied (something like a hair sufficed) and ruby powder which increased in amount in relation to the creature to be copied.