You take a jaunt to the Feywild, returning to the world when you have healed and changed form.

Encounter   ✦     Primal, Teleportation
Move Action      Personal

Effect: You teleport to a safe place in the Feywild. While you are there, you can't take any actions other than using your second wind and wild shape. At the end of your next turn or as a move action before then, you reappear in an unoccupied space within 10 squares of the space you left.

Published in Player's Handbook 2, page(s) 89.