Sudden Silent
Metamagic feat
Sudden Silent is a D&D 3.5 feat (Metamagic) from CAr, p. 83. You can cast a spell silently without special preparation.
Prerequisite
Benefit
Once per day, you can apply the effect of the Silent Spell feat to any spell you cast without increasing the level of the spell or specially preparing it ahead of time. You can still use Silent Spell normally if you have it.
Description
You can cast a spell silently without special preparation.