Wall of Deadly Chains

As Wall of Chains, except as noted above, and the wall sports loose lengths of Spiked Chain that strike anyone within 5 feet of the wall.

Book of Vile Darkness 3.5
By Monte Cook

Conjuration (Creation)

Level: Sorcerer/Wizard 4
Saving Throw: Reflex half

Those within that area take 3d6 points of damage each round.