Banish Dragonmark

(Dragonmarked, page 148, DnD 3.5)

Abjuration

Level: ; Cleric 5; Wizard/Sorcerer 5
Components: V, S, M,
Casting Time: 1 Standard Action
Range: Close (25ft. + 5ft./2 levels)
Target: One dragonmarked creature
Duration: 1 day/level
Saving Throw: Will Negates
Spell Resistance: Yes

If the subject fails its save, its dragonmark i stripped away for the spell's duration. The affected subject cannot use any of its dragonmarked spell-like abilities (or any other abilities that rely on dragonmarks) during this time.
If the target creature's dragonmark is one step more powerful than yours, that creature it gains a +2 bonus to its Will save. If the target creature's dragonmark is two steps more powerful than yours, that creature it gains a +4 bonus to its Will save.

Material Component. A pinch of Eberron dragonshard dust.

Dragonmark: Any true or aberrant dragonmark.