Naga Shape II

Transmutation (Polymorph)
Level: Alchemist* 5, Magus * 5, Sorcerer */Wizard * 5
Components: V, S, M (a piece of the creature whose form you want to assume)
Casting Time: 1 Standard Action
Range: personal
Target: you
Duration: 1 minute/level (D)
Saving Throw: -
Spell Resistance: -
  This spell functions as naga shape I. Additionally, if the form you assume has any of the following abilities, you gain the listed ability: Burrow 30 feet, climb 90 feet, fly 90 feet (good maneuverability), swim 90 feet, Blindsense 30 feet, Darkvision 60 feet, Low-Light Vision, compression, Constrict, detect thoughts, dreamsight, Grab, hypnosis, poison, sneak attack +2d6, and spit.