Augment Familiar

(Spell Compendium, page 17, DnD 3.5)

Transmutation

Level: ; Sorcerer/Wizard 2
Components: V, S
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels
Target: Your familiar
Duration: Concentration + 1 round/level
Saving Throw: Fortitude negates (harmless)
Spell Resistance: Yes (harmless)

Reaching out with magic, you empower your familiar, making it quicker and stronger.

This spell grants your familiar a +4 enhancement bonus to Strength, Dexterity, and Constitution, damage reduction 5/magic, and a +2 resistance bonus on saving throws.