Limited Edition Alpha common. Fog was tied for many years for the title of shortest card title in Magic, and even now there are only 16 cards in Magic with three-letter names (half of which are split cards, silver-bordered, or both). Unglued, of course, presented an opportunity to make an even shorter title, Ow, and Unhinged could not resist trumping that with _____, a card with no title at all.
