Enchantment - Aura, 2U (3) Enchant tapped creature Enchanted creature doesn't untap during its controller's untap step. The dreams of giants are as long as time and as deep as the earth. Thus they are prized by the dream-harvesting fae.
Illus. Greg Staples
10/1/2007: Glimmerdust Nap can target only a tapped creature.
10/1/2007: If the targeted creature has become untapped by the time Glimmerdust Nap would resolve, Glimmerdust Nap is countered for having an illegal target.
10/1/2007: If the enchanted creature becomes untapped, Glimmerdust Nap is put into its owner's graveyard as a state-based action.