Chromatic Ray

(Dragons of Faerun, DnD 3.5)

Evocation[Evil]

Level: ; Blackguard 4; Cleric 5
Components: V, S
Casting Time: 1 standard action
Range: Medium (100 ft. + 10 ft./level)
Target: One good dragon or dragonblood creature
Effect: Ray
Duration: 1 round/level
Saving Throw: Will negates
Spell Resistance: Yes (object)

You fire a brilliant ray of white, black, green, blue, and red at the dragon.
This spell calls upon the might of evil dragonkind to suppress the powers of a good dragon or dragonblood creature.
You must make a ranged touch attack to hit the target.
If the attack is successful, the dragon must make a successful Will save or become unable to use all its racial supernatural and spell-like abilities.
This does not include the spells a dragon casts from its sorcerer spell progression.
Special: If you receive your divine spells from Mask or Tiamat, you receive a +1 profane bonus on the ranged touch attack.