Vasily Vereshchagin's Palette

Origins
Vasily Vereshchagin was a famous Russian battle painter and one of the first to be recognized outside the country. He traveled to central Asia, participated in the Russo-Turkish War and painted scenes of British ruled India. Some of his body of work depicts graphic scenes, leading to some of it never being shown off in public.

Effects
His palette lets a person who touches it that had seen an event be able to recreate that in great lifelikeness in any medium they choose. The downside is that the person becomes emotionally drained with prolonged use.