Samuel Madden's Letter Opener

Origin
Samuel Madden was an Irish writer who wrote Memoirs of the Twentieth Century. He had a dream in the 1700s that an angel had brought him a letter from 1997, where he described the changed political landscape of the 20th century.

Effects
Stabbing a person with it sends them a thousand years into the future. The letter opener will momentarily remain in midair before falling to the ground.