Narcolepsy | Magic: The Gathering
Formats Narcolepsy is Legal in
Official Oracle Text for Narcolepsy
At the beginning of each upkeep, if enchanted creature is untapped, tap it.
—Noyan Dar, Tazeem lullmage
Official Rulings for Narcolepsy
6/15/2010 : Narcolepsy doesn't keep the enchanted creature continually tapped. The creature untaps during its controller's untap step as normal, then is tapped when Narcolepsy's ability resolves during that upkeep. The creature may be tapped in response (for example, if it has an activated ability with in its cost).