Etherealness, Swift

(Player's Handbook II)

Transmutation
Level: Beguiler 5, Cleric 5, Sorcerer 5, Wizard 5,
Components: V, S,
Casting Time: 1 swift action
Range: Close (25 ft. + 5 ft./2 levels)
Target: One willing creature
Duration: 1 round
Saving Throw: Will negates
Spell Resistance: Yes

With a single word and a quick wave of your hand, the creature disappears.
The subject becomes ethereal until the end of its next turn.
If, at the end of the spell's duration, the subject creature rematerializes within a solid object or in an occupied space, it is shunted off to the nearest open space and takes 1d6 points of damage per 5 feet so traveled.