You will yourself across the boundary between worlds, teleporting a short distance. When you appear from the Feywild, you are surrounded by a glamor of invisibility.

Encounter   ✦     Arcane, Illusion, Teleportation
Move Action      Personal

Effect: You become invisible and then teleport 4 squares. The invisibility lasts until the start of your next turn.

Published in Player's Handbook, page(s) 137, Class Compendium.