Inaccurate?

Mutable Body

( Races of Eberron, p. 110)

[General]

Your enhanced control over your shapechanging ability grants you extra power from transmutation spells.

Prerequisite

Shapechanger subtype,

Benefit

At your option, transmutation spells cast on you are at +1 caster level. You must decide at the time the spell is cast if you wish to apply the effect of this feat.

Special

By spending 2 action points, you can have any transmutation spell cast on you effectively empowered or extended (as if under the effect of Empower Spell or Extend Spell,