They really should create a _____ ball!

[Åzurε]

Shh. You're harshing my mellow.

 

[yung_link]

Virus Ball - Infects the captured Pokemon with a pokerus. Once the captured pokemon is cured of its pokerus, or traded, it becomes a regular Poke Ball. Same catch rate as a standard Poke Ball.

edit: Only available at Nintendo Events

 

[loliwin]

How about...

Sunny Ball: Chance of Pokemon is greater in daytime.

:D

 

[shookie]

Frustration Ball - for those "I have been pacing outside Mt. Coronet for two hours now, you are going to get into this ball, Absol, and you are going to like it" moments.

 

[Timbjerr]

-HP up ball
-Protein ball
-Calcium ball
-Iron ball
-Zinc ball
-Carbos ball

The captured pokemon gains the effect of having ten of the respective vitamins fed to them. These'll be rather hard to find, but certainly make EV training a lot easier. XD

 

[Wings Don't Cry]

• A Mimic Ball that makes the Pokemon easy to catch if it is the same as the users Pokemon.
• Cure Ball- The caught Pokemon is healed from their status condition (similar to the Heal Ball (or whatever it's called), but cheaper. :))

It's called a repeat ball and it's effect is already greater than the one you mentioned.

Also how much cheaper can your cure ball get, a heal ball only costs 300. Any cheaper and it'll defeat the purpose of a Pokeball.

 

[PokemonTrainerd]

The Rough Ball: Better chance of catching Ground, Rock, and Fighting types.

 

[Polizard]

Rare Ball Works 4x if the pokemon being caught in the most rare pokemon in the area route or cave

 

[.Fenris]

The Tuball, works best if you have 2 or 3.

Dominance Ball, if your Poke has type advantage catch rate increases 50%, 400 Poke.

 

[Sir Skids Nickelton]

Alter Ball-Makes The Pokemon Easier To Catch In Terms Of Catch Rate By 5 (Example,10 Catch Rate Is Now 15)But Only With This Ball (Two Used In A Row-10 Rate-15-20)

 

[Her]

Heat Ball - 20% better chance of catching fire Pokemon than a normal ball.

God I'm so unoriginal.

 

[champ4life]

Youngster ball, if this pokemon is the first form of its evolution chain, chances of catching is 2x

 

[Hybrid Trainer]

Nature ball's
*insert pokemon nature here* Ball
the ball gives the pokemon a *insert pokemon nature here* nature

 

[murdermajig]

Save ball: Instanty saves game after the trainers battle has ended. Catch rate of a Great Ball

Multi Ball: Enables the ball to return to trainer for a limited number of unsuccessfull catches. Catch rate %5 higher of a pokeball

 

[SargeantMajorKururu]

Coward Ball: Works 50% better than a Great Ball if the pokemon you are trying to catch is using Teleport, Baton Pass, etc.

 

[Ayselipera]

Binding Ball - There is only one and it never breaks. Therefore the user is able to continually use it until it catches a Pokemon.

 

[MasterLink742]

Probably A Switch ball
Allows you to switch the captured pokemon with one in your current party.

 

[Ketchumall]

Dark Ball, or Shadow Ball = A pokeball with a lining inside made from a dark matter or such, it is completely black on the outside and extremely effective against Psychic pokemon! sorry tired of an escaping Abra :S. Also you know how most balls have that little red laser? This one has the same thing except it is black and looks more like a sort of fog or mist.

 

[Charizard632]

Train Ball. Michael, my little brother, thought it up. He said that it never fails, just like the master ball. Made of old train parts. Also, my little brother said that the master ball fails.

 

[chezhead]

Bind/sticky Ball. If it escapes this ball, it cannot escape for 5 turns (or until you use it again).

Explosion ball, any pokemon that can learn a self-destruction move are caught more easily in this one.

All I have right now....