Abeil Queen: 16th Druid Casting [MM II]
Ak'Chazar Rakshasa: 12th Sorcerer [MM III]
AndroSphinx: 6th Cleric Casting [MM]
Aranea: 3rd Sorcerer Casting [MM]
Arcanaloth: 12th Sorcerer Casting [MM II]
Arkemoi: 4th level Sorcerer Casting [MM5]
Artaaglith: 5th level Cleric casting [GW]
Chronotyryn: 12th level Sorcerer casting [FF]
Cloaker, Shadowcloak Elder: 7th Sorcerer Casting [LoM]
Corpse Tearer: 17th Cleric Casting [MM II]
Couatl: 9th Sorcerer Casting [MM/Beastiary]
Cranium Rat Swarm: 4th level Sorcerer casting [FF]
Cranium Rat Swarm, Greater: 10th level Sorcerer casting [FF]
Dread Linnorm: 18th Sorcerer Casting [MM II]
Drider: 6th Wizard, Sorcerer or Cleric Casting (PF only) [Beastiary]
Elder Brain: 20th level Sorcerer casting [LoM]
Elemental Weird: 18th Sorcerer Casting [MM II/Fr]
Ethergaunt, black: 17th level Wizard casting [FF]
Ethergaunt, red: 9th level Wizard casting [FF]
Ethergaunt, white: 13th level Wizard casting [FF]
Fensir: 5th level Wizard Casting [FF]
Firre: 12th level Cleric casting [BoED]
Formian Queen: 17th Sorcerer Casting [MM]
Ghaele: 14th Cleric Casting (13th in Pathfinder) [MM/Beastiary]
Gloura: 7th Bard Casting [Und]
Gray Linnorm: 17th Cleric Casting [MM II]
Hebbi-no-onna: 14th level Sorcerer casting [OA]
Hobgoblin Warcaster: 4th Wizard Casting [MM V]
Hobgoblin Warsoul: 9th Wizard Casting [MM V]
Icegaunt: 5th level Druid casting [Fr]
Immoth: 12th Sorcerer Casting [MM II]
Ki-rin: 18th level Sorcerer casting [OA]
Klurichir: 10th level Sorcerer casting [FF]
Lammasu: 7th Cleric Casting [MM/Beastiary]
Lilitu: 9th level Cleric Casting [FC1]
Lillend: 6th Bard Casting (7th in Pathfinder) [MM/Beastiary]
Marrutact: 5th level Wizard casting [Sand]
Monster of Legend template: Grants 5th Cleric Casting [MM II]
Naga: Depends on type
Neh-Thalggu: 1-13th Sorcerer Casting (Depends on brains consumed) [ELH]
Nymph: 7th Druid Casting [MM/Beastiary]
Oni, Me-zu: 10th level Wu-jen casting [OA]
Planetar: 17th Cleric Casting (16th in Pathfinder) [MM/Beastiary]
Protean Scourge: 8th Sorcerer Casting [MM III]
Rakshasa: 7th Sorcerer Casting [MM/Beastiary]
Redspawn Arcaniss: 6th level Sorcerer Casting [MM4]
Shinomen Naga, Cobra: 3rd level Shugenja casting [OA]
Slyph: 4 higher than HD Sorcerer Casting [MM II]
Solar: 20th Cleric Casting [MM/Beastiary]
Spell Weaver: 2 higher than HD Sorcerer Casting [MM II]
Spirit of the Air: 7th level Cleric casting [FF]
Tengu, Human-headed: 5th level Air Shugenja casting [OA]
Threskisphinx: 6th level Druid casting [Sand]
True Dragons: Depends on Age Category
Trumpet Archon: 14th Cleric Casting [MM/Beastiary]
Ursinal: 12th level Wizard casting [BoED]
Varrangoin, Arcanist: 9th level Wizard casting [FF]