Stretch Weapon

(Player's Handbook II, DnD 3.5)

Transmutation

Level: ; Bard 2; Cleric 2; Duskblade 2; Sorcerer/Wizard 2
Components: V
Casting Time: 1 swift action
Range: 0 ft.
Target: Melee weapon wielded
Duration: One attack
Saving Throw: Will negates (harmless, object)
Spell Resistance: Yes (harmless, object)

With a single utterance, the weapon in your hand elongates without becoming awkward or weighty.
The affected weapon stretches, extending toward its target, though it can be wielded normally.
The spell adds an additional 5 feet of reach to a melee weapon for a single attack.