Wondrous Item, rare (requires attunement)
A cold, polished pendant that seems to react to unspoken thoughts. It allows the wearer to communicate silently and perceive the surface intentions of others.
Silent Voice
You can cast Message at will without components.
Surface Whisper
You can cast Suggestion once per long rest, but you cannot probe deeper thoughts.
Veil of Lies
You have advantage on Deception checks.
Drawback
You have disadvantage on Insight checks against creatures that know you well (DM adjudication).
Notes: Advantage: Deception, Disadvantage: Insight, Communication, enchantment