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From Pathfinder Lost Omens Impossible Lands, which isn't enabled.

Venomed Tongue

ITEM 7
UNCOMMONINVESTEDMAGICALTATTOO
Price 333 gp
Usage tattooed on the body
Bulk —

Secrets must be unraveled, no matter how painful. This tattoo of braided tongues provides a +1 item bonus to Deception checks.

Activate envision
Frequency once per day
Effect Abraxas fills your tongue with venom, causing your deceptions to poison your foes. You use Deception to Create a Diversion, Feint, or Lie. Choose one target against whom your Deception check succeeded; that target takes 2d6 persistent poison damage.
Pathfinder Lost Omens Impossible LandsOGL