★ Mega Rising (B1) introduces the Mega Evolutions!
☆ New Decks: Mega Blaziken ex | Mega Gyarados ex
Mega Altaria ex | Mega Absol ex | Greninja ex
★ Events: Wonder Pick | Anniversary Celebration
☆ Trading Board: A4b and B1 Available for Trading!

This guide will show you how to build some of the strongest Gengar ex Decks. We'll cover the best Gengar ex Deck builds, how to use them, as well how to beat Gengar ex Decks, and more!
List of Contents
| Gengar ex Deck Variants | Strengths and Weaknesses |
|---|---|
Sylveon ex and Gengar ex Deck
[★ Best ★] |
Strengths:
• Sylveon ex's Ability increases the deck's consistency in finding necessary evolution cards and Trainer cards. • Evolving Gengar ex early can disrupt your opponent. • Non-ex Gengar can counter Oricorio and inflict Sleep. Weaknesses: • Is unable to deal lots of damage, and depends on locking opponents out of options. • Strategy can fall apart if the opponent uses Mars or Red Card. |
Indeedee ex and Gengar ex Deck
[★ New ★] |
Strengths:
• Gengar ex can prevent opponents from using Supporter cards. • Indeedee ex provides healing, which increases survivability. • Non-ex Gengar can be used to counter Pom-Pom Style Oricorio. Weaknesses: • This deck cannot OHKO bulkier Pokemon with low Attack Costs. |
Banette and Gengar ex Deck
|
Strengths:
• Banette can secure KOs by stranding a Pokemon in the Active Spot, making them unable attach Energy and Retreat. • Gengar ex can lock opponents out of using Supporter cards. • Weaknesses: • The deck requires careful planning to be successful. • Is unable to deal lots of damage, depending solely on locking opponents out of options. |
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| Energy Used | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
This deck uses Sylveon ex's Ability to evolve Gengar ex faster. Once Gengar ex is in play, it can disrupt your opponent by making them unable to use Supporter Cards.
Non-ex Gengar functions as a secondary attacker, being able to OHKO Pom-Pom Oricorio. It is also able to inflict Sleep, acting as another source of disruption.
| Expansions | Cards to Get and Packs to Open |
|---|---|
| Genetic Apex (A1) | Gastly x 2 (Mewtwo Pack) Gengar ex x 2 (Mewtwo Pack) Sabrina x 1 (Charizard Pack) |
| Mythical Island (A1a) | No cards needed from this expansion. |
| Spacetime Smackdown (A2) | Giant Cape x 1 (Dialga Pack) Cyrus x 1 (Palkia Pack) |
| Triumphant Light (A2a) | Gengar x 1 (Arceus Pack) |
| Shining Revelry (A2b) | No cards needed from this expansion. |
| Celestial Guardians | Rare Candy x 2 (Any Pack) Lillie x 2 (Solgaleo Pack) |
| Extradimensional Crisis | No cards needed from this expansion. |
| Eevee Grove | Sylveon ex x 2 (Eevee Pack) Eevee x 2 (Eevee Pack) |
| Wisdom of Sky and Sea | No cards needed from this expansion. |
| Secluded Springs | No cards needed from this expansion. |
| Mega Rising | No cards needed from this expansion. |
| Promo-A | Poke Ball x 2 (Promo-A Pack) Professor's Research x 2 (Promo-A Pack) |
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| Energy Used | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gengar ex works both as an attacker and a disruptor, preventing your opponent from using Supporter cards. Indeedee ex is used as a supporting Pokemon in the Bench, healing its damaged allies.
You may switch Indeedee ex in to the Active Spot when dealing with Pokemon with high Attack Costs. Since Psychic deals more damage against enemies with a lot of Energy attached, Indeedee ex has the capability of landing OHKOs against certain threats.
You may use the non-ex Gengar in this deck to counter Pom-Pom Style Oricorio.
| Expansions | Cards to Get and Packs to Open |
|---|---|
| Genetic Apex (A1) | Gastly x 2 (Mewtwo Pack) Gengar ex x 2 (Mewtwo Pack) |
| Mythical Island (A1a) | No cards needed from this expansion. |
| Spacetime Smackdown (A2) | Giant Cape x 2 (Dialga Pack) Cyrus x 1 (Palkia Pack) Mars x 1 (Palkia Pack) |
| Triumphant Light (A2a) | Gengar x 1 (Arceus Pack) |
| Shining Revelry (A2b) | No cards needed from this expansion. |
| Celestial Guardians | Rare Candy x 2 (Any Pack) Lillie x 2 (Solgaleo Pack) |
| Extradimensional Crisis | No cards needed from this expansion. |
| Eevee Grove | No cards needed from this expansion. |
| Wisdom of Sky and Sea | No cards needed from this expansion. |
| Secluded Springs | No cards needed from this expansion. |
| Mega Rising | Indeedee ex x 2 (Mega Altaria Pack) May x 1 (Mega Blaziken Pack) |
| Promo-A | Poke Ball x 2 (Promo-A Pack) Professor's Research x 2 (Promo-A Pack) |
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| Energy Used | |||||||||||||||
This deck requires careful planning for each of your turns. Try to use Banette to KO Pokemon slowly after trapping them in the Active Spot with no way to retreat.
Make use of Gengar ex and Giratina ex as late-game finishers who can KO low-HP Pokemon.
| Expansions | Cards to Get and Packs to Open |
|---|---|
| Genetic Apex (A1) | Gastly x 2 (Mewtwo Pack) Haunter x 1 (Mewtwo Pack) Gengar ex x 2 (Mewtwo Pack) Sabrina x 1 (Charizard Pack) |
| Mythical Island (A1a) | No cards needed from this expansion. |
| Spacetime Smackdown (A2) | Mars x 1 (Palkia Pack) |
| Triumphant Light (A2a) | No cards needed from this expansion. |
| Shining Revelry (A2b) | Giratina ex x 1 (Shiny Charizard Pack) Iono x 1 (Shiny Charizard Pack) |
| Celestial Guardians | Shuppet x 2 (Any Pack) Banette x 2 (Any Pack) Rare Candy x 2 (Any Pack) Lillie x 1 (Solgaleo Pack) |
| Extradimensional Crisis | No cards needed from this expansion. |
| Eevee Grove | No cards needed from this expansion. |
| Wisdom of Sky and Sea | No cards needed from this expansion. |
| Secluded Springs | No cards needed from this expansion. |
| Mega Rising | No cards needed from this expansion. |
| Promo-A | Poke Ball x 2 (Promo-A Pack) Professor's Research x 2 (Promo-A Pack) |
| Alternate Cards | Possible Cuts |
|---|---|
![]() Sabrina (A1 225) |
![]() ![]() ・Use Sabrina to trap unprepared Pokemon with Banette. |
| Other Gengar ex Decks | ||
|---|---|---|
Gengar ex and Giratina ex |
- | - |
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| Energy Used | |||||||||||||||||||
Giratina ex is featured alongside Gengar ex as a backup attacker that can set itself up with minimum effort. This also removes the deck's reliance on setting up a Gengar ex, with a Giratina ex readily available as an attacker.
Additionally, standard Gengar is included in the deck as a countermeasure against Pom-Pom Oricorio and can attack from the early game.
If you use a Rare Candy to set up Gengar ex as quickly as possible, your opponent will not be able to use Support Cards and lock them out of cards like Cyrus, Sabrina, and Professor's Research, so try to do so aggressively.
| Expansions | Cards to Get and Packs to Open |
|---|---|
| Genetic Apex (A1) | Gengar x 1 (Mewtwo Pack) Gengar ex x 2 (Mewtwo Pack) Sabrina x 1 (Charizard Pack) |
| Mythical Island (A1a) | Leaf x 2 (Mew Pack) |
| Spacetime Smackdown (A2) | Pokemon Communication x 1 (Dialga Pack) Cyrus x 1 (Palkia Pack) Dawn x 1 (Dialga Pack) Mars x 1 (Palkia Pack) |
| Triumphant Light (A2a) | Gastly x 2 (Arceus Pack) |
| Shining Revelry (A2b) | Giratina ex x 1 (Shiny Charizard Pack) |
| Celestial Guardians | Rare Candy x 2 (Any Pack) |
| Extradimensional Crisis | No cards needed from this expansion. |
| Eevee Grove | No cards needed from this expansion. |
| Wisdom of Sky and Sea | No cards needed from this expansion. |
| Secluded Springs | No cards needed from this expansion. |
| Mega Rising | No cards needed from this expansion. |
| Promo-A | Poke Ball x 2 (Promo-A Pack) Professor's Research x 2 (Promo-A Pack) Haunter x 1 (Promo-A Pack) |
| Alternate Cards | Possible Cuts |
|---|---|
![]() Dawn (A2 154) |
![]() ![]() • A second copy of Dawn can help your Pokemon attack earlier. |

Having Gengar ex in the Active Spot locks opponents out of using supporters because of its Shadowy Spellbind Ability. This Ability prevents your opponents from using Supporters, avoiding the additional damage from Red, and keeping your Benched Pokemon safe from Cyrus and Sabrina.


Gengar ex needs quite a bit of setup as a Stage 2 Pokemon, so you may opt to Bench it until it is ready while another Pokemon takes the hits. Giratina ex is useful for its Energy Acceleration, but you may also use Hypno since it can inflict Sleep onto your opponents.

After Gengar ex has evolved, it can be switched onto the Active Spot. If it doesn't have enough Energy for Spooky Shot yet, you may transfer a Psychic Energy from another Pokemon onto it with the help of Dawn.



Since Gengar ex takes time to set up, you can take advantage of this by knocking out its pre-evolutions. Sabrina and Cyrus can draw them out to the Active Spot, but you can also use cards that can damage Benched Pokemon such as Genetic Apex Hitmonlee.


You can defeat Gengar ex with Darkness decks that do not require much setup. Not only can they take advantage of Gengar ex's weakness, but they can also attack faster due to the lower Attack Cost.
Best Darkness Type Deck and Cards Tier List

Best Gengar ex Decks and Card List



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I was super excited for an updated gengar deck and I got baited lol