<My Ideas>
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Attack Ball-0.5x Rate~
Obtainable-3rd Gym PokeMart.
If fails catching,attacks the pokemon by an effective move.
If succeeds in catching,heals pokemon.
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Curse Ball-4x Rate~
Obtainable-Events~
If fails catching,gives the Pokemon a curse (ghost type).
If succeeds in catching,everytime that pokemon dies,it has an aftermath effect.
(High chance there wouldn't be one)
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Quote Ball-2x Rate~
Obtainable Ball:8th Gym PokeMart.
If fails catching,the Pokemon can't use a move for 2 turns ( Silenced ).
If succeeds in catching,the Pokemon will have the Soundproof ability with the other ability it has (but it has chance of failing).
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Encore Ball-Never fails at catching~
Obtainable from:Events~
When the Pokemon caught by this ball comes out,the Pokemon in battle will be encored after the it uses it's move.
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Smoke Ball-2x Rate~
Obtainable from:6th Gym PokeMart~
If fails catching,the Pokemon's accuracy is lowered.
When entered in battle,the Pokemon thats battling that Pokemon will have its accuracy lowered.
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Web Ball-Never fails at catching~
Obtainable from-Events~
When entered in battle,the Pokemon on the other side speed falls.