Magic Mouth

1 Standard Action| V,S,M |Close (25 +5 / 2 lvls )|One creature or Object|Perm until Discharge|Will Neg|Yes
This spell imbues the chosen object or creature
with an enchanted mouth that suddenly appears
and speaks its message the next time a specified
event occurs. Message must be 25 or fewer
words. The mouth cannot utter verbal
components, use command words, or
activate magical effects.
PHB 251 for more details.