Destined Rivals

Basic

Ability Smog Signals
If this Pokémon is in the Active Spot and is damaged by an attack from your opponent's Pokémon (even if this Pokémon is Knocked Out), search your deck for up to 2 Pokémon that have "Koffing" in their name and put them onto your Bench. Then, shuffle your deck.

{Darkness}{Colorless} Leaking Gas 30

Weakness {Fighting} ×2

Retreat {Colorless}

Team Rocket's Koffing

Journey Together

{Colorless} Tackle 10
{Darkness}{Colorless} Suffocating Gas 20

Weakness {Fighting} ×2

Retreat {Colorless}

Koffing

Mythical Island

{Darkness} Division
Put 1 random Koffing from your deck onto your Bench.

Weakness {Fighting} +20

Retreat {Colorless}{Colorless}

Genetic Apex

{Darkness} Suffocating Gas 20

Weakness {Fighting} +20

Retreat {Colorless}

{Colorless}{Colorless} Suspicious Gas 20
Your opponent's Active Pokémon is now Confused.

Weakness {Fighting} ×2

Retreat {Colorless}

Crown Zenith

{Darkness}{Colorless} Smog 20
Your opponent's Active Pokémon is now Poisoned.

Weakness {Fighting} ×2

Retreat {Colorless}

Chilling Reign

Shining Fates

{Darkness} Ascension
Search your deck for a card that evolves from this Pokémon and put it onto this Pokémon to evolve it. Then, shuffle your deck.

Weakness {Fighting} ×2

Retreat {Colorless}

Shining Fates Shiny Vault

Rebel Clash

{Darkness} Suffocating Gas 10

Weakness {Fighting} ×2

Retreat {Colorless}

Cosmic Eclipse

Ability Blow-Away Bomb
Once during your turn, when you discard this Pokémon with the effect of Roxie, you may put 1 damage counter on each of your opponent’s Pokémon. (Place damage counters after the effect of Roxie.)

{Psychic}{Colorless} Poison Gas 10
Your opponent’s Active Pokémon is now Poisoned.

Weakness {Psychic} ×2

Retreat {Colorless}

Hidden Fates

{Colorless} Tackle 20

Weakness {Psychic} ×2

Retreat {Colorless}

Unbroken Bonds

{Colorless} Foul Odor
Both Active Pokémon are now Confused.

Weakness {Psychic} ×2

Retreat {Colorless}{Colorless}

Evolutions

{Psychic}{Psychic} Foul Gas 10
Flip a coin. If heads, your opponent's Active Pokémon is now Poisoned. If tails, your opponent's Active Pokémon is now Confused.

Weakness {Psychic} ×2

Retreat {Colorless}

Fates Collide

{Psychic} Division
Search your deck for up to 2 Koffing and put them onto your Bench. Shuffle your deck afterward.

Weakness {Psychic} ×2

Retreat {Colorless}{Colorless}

Plasma Storm

{Psychic} Tackle 10
{Colorless}{Colorless} Double Spin 20
Flip 2 coins. This attack does 20 damage times the number of heads.

Weakness {Psychic} ×2

Retreat {Colorless}{Colorless}

{Psychic}{Colorless} Smokescreen 20
If the Defending Pokémon tries to attack during your opponent's next turn, your opponent flips a coin. If tails, that attack does nothing.

Weakness {Psychic} ×2

Retreat {Colorless}

Call of Legends

{Colorless} Smokescreen 10
If the Defending Pokémon tries to attack during your opponent's next turn, your opponent flips a coin. If tails, that attack does nothing.
{Colorless}{Colorless} Suffocating Gas 20

Weakness {Psychic} x2

Retreat {Colorless}

HeartGold SoulSilver

{Colorless} Smokescreen 10
If the Defending Pokémon tries to attack during your opponent's next turn, your opponent flips a coin. If tails, that attack does nothing.
{Colorless}{Colorless} Suffocating Gas 20

Weakness {Psychic} ×2

Retreat {Colorless}

Rising Rivals

{Colorless} Offensive Gas
Flip a coin. If heads, the Defending Pokémon is now Confused and Poisoned.
{Psychic} Gas Bomb 30
Koffing does 30 damage to itself, and don't apply Weakness and Resistance to this damage.

Weakness {Psychic} +10

Retreat {Colorless}{Colorless}

Great Encounters

{Colorless} Tackle 10
{Psychic}{Colorless} Smogscreen 10
The Defending Pokémon is now Poisoned. If the Defending Pokémon tries to attack during your opponent's next turn, your opponent flips a coin. If tails, that attack does nothing.

Weakness {Psychic} +10

Retreat {Colorless}{Colorless}

Delta Species

{Grass} Confusion Gas
The Defending Pokémon is now Confused.
{Colorless}{Colorless} Ram 20

Weakness {Psychic} ×2

Retreat {Colorless}

Deoxys

{Grass} Smog
The Defending Pokémon is now Poisoned.

Weakness {Psychic} ×2

Retreat {Colorless}

Team Rocket Returns

Poke-BODY Knockout Gas
If Koffing is your Active Pokémon and is Knocked Out by an opponent's attack, the Attacking Pokémon is now Confused and Poisoned.

{Colorless} Gnaw 10

Weakness {Psychic} ×2

Retreat {Colorless}

Ruby & Sapphire

{Colorless} Tackle 10
{Grass}{Colorless} Double-edge 30
Koffing does 10 damage to itself.

Weakness {Psychic} ×2

Retreat {Colorless}

Expedition Base Set

{Colorless} Ram 10
{Grass} Confusion Gas
Flip a coin. If heads, the Defending Pokémon is now Confused.

Weakness {Psychic} x2

Retreat {Colorless}

Gym Challenge

{Grass} Smokescreen 10
If the Defending Pokémon tries to attack during your opponent's next turn, your opponent flips a coin. If tails, that attack does nothing.
{Grass}{Colorless} Obscuring Gas 30
Flip a coin. If heads, shuffle Koga's Koffing and all cards attached to it into your deck (after doing damage).

Weakness {Psychic} x2

Retreat {Colorless}

Koga's Koffing

{Grass} Smelly Gas 10
Flip a coin. If heads, this attack does 10 damage to each Benched Pokémon (including your own). (Don't apply Weakness and Resistance for Benched Pokémon.)

Weakness {Psychic} x2

Retreat {Colorless}

Team Rocket

{Colorless} Tackle 10
{Grass}{Colorless} Poison Gas 20
Flip a coin. If heads, the Defending Pokémon is now Poisoned.

Weakness {Psychic} ×2

Retreat {Colorless}

Base Set

{Grass}{Grass} Foul Gas 10
Flip a coin. If heads, the Defending Pokémon is now Poisoned; if tails, it is now Confused.

Weakness {Psychic} ×2

Retreat {Colorless}