Strand of Binding

Any creature failing to save versus spell will be held as if wrapped in iron chains. This effect lasts for a number of rounds equal to the level of the cleric.
The binding can be broken only as a function of strength, with a chance equal to that to bend bars. In addition to

[Dragon #69]

Istus

Sphere: Conjuration
(Conjuration/Summoning)
Level: 4

Range: 10 feet
Components: V, S, M
Duration: 1 round per level of the caster
Casting Time: 4
Area of Effect: One creature
Saving Throw: Negates

Material Components: the holy symbol of Istus and a hair of at least six inches in length