There is a Legacy version
here.
Pest Form
Spell 1Concentrate Manipulate Polymorph Source Player Core pg. 348Traditions arcane,
primalCast [two-actions] Duration 10 minutes
You transform into the battle form of a Tiny animal, such as
a cat, insect, lizard, or rat. You can decide the specific type of
animal (such as a rat or praying mantis), but this has no effect
on your Size or statistics. While in this form, you gain the
animal trait, and you can't make Strikes. You can Dismiss the spell.
You gain the following statistics and abilities:
- AC = 15 + your level. Ignore your armor's check penalty and Speed reduction.
- Speed 20 feet.
- Weakness 5 to physical damage. (If you take physical damage in this form, you take 5 additional damage.)
- Low-light vision and imprecise scent 30 feet.
- Acrobatics and Stealth modifiers of +10, unless your own is higher; Athletics modifier –4.
Heightened (4th) You can turn into a flying creature, such as a bird, which grants you a fly Speed of 20 feet.