entangle
Class: ranger : 1 druid : 1 mage : 1 oracle : 1 cleric : 1
Domains: plant
Syntax: cast CLASS entangle

This spell causes the foliage and insects to come alive in the area around the caster. They will

  attempt to impede the movement of all creatures in the area.  Those creatures that pass a strength check will have their 
  movement affected less than those who do not.  This spell can only be used outside.