Horn of Unicorn, Claw of Dragon Visionaries: Knights of the Magical Light : Season 1 Episode 9

A plague falls over all Visionaries. So, Merklynn sends out the two Spectral Knights - Arzon and Witterquick - and the two Darkling Lords - Cindarr and Lexor - that are still standing to get the ingredients required to make the cure. Cindarr and Lexor embark to slay a unicorn for its horn, and Arzon and Wiiterquick set out to find a dragon's claw.