Sudden Silent
( Complete Arcane, p. 83)[Metamagic]
You can cast a spell silently without special preparation.
Prerequisite
Required for
Sudden Quicken (CAr) ,
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.