Warp Wood (Arcana)
Level: Druid 2, Ranger 1
Will negates. Mana: 5. Base Success: 75%.
  Magically warps wooden objects within a 40-foot radius, inflicting 1d6 points of damage per caster level. Doors are instead broken open in their frame, and chests are forcibly unlocked. The caster is unaffected, and any other creatures receive a Will save to prevent damage to their wooden items.