Entarian's Ball
Evocation [Force]
Level: Sor/wiz 8
Components: V, S, M
Casting Time: 1 round
Range: Medium (100 ft. +10 ft./level)
Target: One creature
Duration: 4 rounds
Saving Throw: Fortitude partial (see text)
Spell Resistance: Yes

Created by the sorcerer Entarian who both had a love for force spells and torturing, this spell is highly illegal in many places.

You create a small ball of force inside a person, which then begins to grow bigger slowly.
The first round after casting the spell, the target must make a fortitude save or take 2d6 non-lethal force damage and become sickened.
The second round, the target takes 4d6 force damage, 1d2 con and strength damage, and becomes fatigued. A successful fortitude save halves both the force damage and the strength and con damage.
The third round, the target takes 8d6 force damage, 1d3 con and strength damage, and becomes exhausted. A successful fortitude save halves both the force damage and the strength and con damage.
The fourth round, the target must make a fortitude or die instantly from the pressure of the ball. If the target survives this, he still takes 12d6 force damage and 1d4 con and strength damage.
After the fourth round, the ball disappears as suddenly as it came. At any time during the spells duration, a dispell or break enchantment spell can remove the ball.

Material component:
A small ball made of lead, which disappears when the spell has been cast.

Distort Vision
Transformation
Level: Bard 0, sor/wiz 0
Components: V, S
Casting Time: 1 standard action
Range: Medium (100 ft. +10 ft./level)
Target: 1 creature
Duration: 1 min./level
Saving Throw: Will partial
Spell Resistance: Yes

The target's vision becomes murky and distorted, giving him a -1 penalty on all spot and search checks, and a -1 penalty on attack rolls.
Even if he makes his save, he still gets the penalties to spot and search checks.

Zirg's Vision
Enchantment [mind-affecting]
Level: Bard 2, sor/wiz 3
Components: V, S, M, F, DF, XP
Casting Time: 1 standard action
Range: Close (25 ft. +5 ft./2 levels)
Target: 1 creature with an intelligence of no less than 6
Duration: 1 min./level
Saving Throw: Will negates
Spell Resistance: Yes

Created by the sorcerer Zirg, who is known for his use of illusion and enchantment spells, this is a somewhat new spell, only one year old. This spell has also been used to pranks many times, and is widely used among gnomes.
The subject of a Zirg’s vision spell believes that anything he looks at for 1 minute or longer is an illusion. He gets a disbelief saving throw to recognise that the illusion is not an illusion, but he gets no disbelief saving throw when he looks at an illusion for 1 minute and then believes that the illusion is an illusion. (Hopefully I didn't lost you there.)
The subject can make an attempt at refocusing and clearing his thoughts, letting him make a new saving throw against Zirg’s vision. This takes 3 full rounds.

Strike of Forgetfulness
Enchantment [mind-affecting]
Level: Bard 5, sor/wiz 6
Components: V, S
Casting Time: 1 full round action
Range: Close (25 ft. +5 ft./2 levels)
Target: 1 creature with an intelligence of no less than 6
Duration: Instantaneous
Saving Throw: Will negates
Spell Resistance: Yes

You rip into the mind of the target, removing some of his memories.
This spells gets you target to forget everything he knows about one thing. For example, if you chose to get your target to forget everything about you, he would simply forget everything he knows about you, treating you as a complete stranger. There's no way for him to get the lost knowledge back, other than learning it again.

SHUT UP!
Enchantment [Mind-affecting]
Level: Bard 1, sor/wiz 1
Components: V, S
Casting Time: 1 immediate action
Range: Close (25 ft. +5 ft./2 levels)
Target: 1 creature
Duration: Instantaneous
Saving Throw: Will negates
Spell Resistance: Yes

You shout a single word of power, silencing one person for a short moment.
You can cast this while the target is casting a spell. If you do so, and if the target fails the will save, he must make a concentration check equal to 15+1/spell level to successfully cast the spell.