Source: Player's Guide to Faerûn
You were raised in a land where mighty wizards are common. Everyone in your homeland knows something about magic, and you have learned that things are sometimes not as they appear.
Prerequisite: Elf (Evermeet) or human (Calimshan, Halruaa, Nimbral, Samarach, Shadovar, or the Wizards' Reach).
Benefit: You receive a +2 bonus on all Knowledge (arcana) and Spellcraft checks. You also get a +2 bonus on saving throws against illusion spells or effects.
Special: You may select this feat only as a 1st-level character. You may have only one regional feat.