Pokémon TCG Pocket Guide to Mega Gengar ex Phantasmal Flames Deck

The Pokemon Trading Card Game also known as Pokemon TCG Pocket has evolved dramatically over the years and still proves to be one of the most beloved Pokemon card games. The game has grown drastically from a simple collectible card game into a deeply strategic and competitive game. Throughout the years, players got to witness a ton of new expansions that introduced fresh mechanics, brand new Powerful Pokemon, Evolutions and contributed significantly in reshaping the meta of the game. One of the most recent expansions that completely shook the game’s meta is the November 2025’s expansion - Pokemon TCG: Mega Evolution - Phantasmal Flames.

The Mega Evolution marked a major turning point as it brought high risk, high reward attackers that could dominate games if used correctly. The Mega Evolution expansion brought a whole new lineup of Mega Pokemons but one the two most noticeable ones were the Mega Gengar-EX and the Mega Charizard-EX. In this guide, we will provide you with the best Mega Gengar-EX Phantasmal Flames Deck to rank up faster and dominate your matches in Pokemon TCG Pocket.

If you’re looking to get more information about Pokémon TCG Pocket, feel free to check out the related guides below:

• Pokémon TCG Pocket Guide to Mega Charizard ex Ascended Heroes Deck
• Pokémon TCG Pocket Guide to Crimson Blaze Meta Decks

These guides can help you boost your progress and enhance your overall gameplay experience.

By the way, if you’re already eager to play Pokémon TCG Pocket, we highly recommend playing Pokémon TCG Pocket on PC and Mac with MuMuPlayer for a smoother gameplay experience. MuMuPlayer is the top Android emulator that offers optimal gaming performance with smooth keyboard and mouse controls, high FPS, and multi-instance support.

You could also directly download Pokémon TCG Pocket PC on MuMuPlayer if you don’t want to miss out on the latest game updates.

Introduction

This Mega Gengar-Ex deck focuses on oppressive presence and ability to punish poor plays. Using Pecharunt ex, Janine’s Secret Art, and Toxtricity, the deck applies constant Poison and chip damage which will soften the target while disrupting the opponent’s setup with Iono and Boss’s Orders. Once the targets are weakened, Mega Gengar Ex will come to finish them off as the primary attacker.

Pokemon Card’s Info

Here are the Pokemon cards that we will be using in the deck:

Toxtricity

Toxtricity is a Stage I dark type pokemon card that runs on Dark Energy. It has a decent HP pool of 140. Its ability called “Sinister Surge” will allow you to search your deck for a basic energy and attach it to 1 of your benched pokemon once every turn. It then shuffles the deck. Using this way, you have to place 2 damage counters on that Pokemon.  

• Gentle Slap

1. Cost – 2 Dark and 1 Colourless
2. Damage – 100

 

Okidogi Ex

Okigogi Ex is a Basic dark type pokemon card that fuels on dark energy. It has a good amount of sustain with a HP pool of 250. Its ability is called “Poisonous Musculature” that requires 1 Colourless energy .It searches your deck for up to 2 basic energy cards and attach them to this Pokemon. Then, shuffle your deck. If you attach Energy to a Pokemon in this way, this Pokemon is now Poisoned.

• Chain Crazed

1. Cost – 2 Dark and 1 Colourless
2. Damage - 130+
3. If this Pokemon is poisoned, this attack deals extra 130 damage.

Pecharunt Ex

Pecharunt Ex is a basic dark type pokemon card that also uses dark energy. The card has a 190 HP pool and its ability called “Subjugating Chains” allows you to switch one of your benched Pokemon except any Pecharunt Ex, with your active Pokemon. If you do, then the new Active Pokemon is now Poisoned, You can’t use more than one Subjugating Chains ability in a single turn.

• Irritated Outburst

1. Cost – 2 Dark Energy
2. Damage – 60x
3. This attack does 60 damage for each Prize card your opponent has taken.

Munkidori Ex

Munkidori is a basic dark type pokemon with 210 HP. It’s ability is called “Oh No You Don’t” that says if this Pokemon is Knocked Out by damage from an attack from your opponent’s Pokemon and if you have a Pechurant Ex in play then your opponent takes one fewer prize card.

• Dirty Headbutt

1. Cost – 2 Dark Energy and 1 Colourless
2. Damage – 190
3. During your next turn, this pokemon can’t use this skill.

Mega Gengar Ex

Mega Gengar Ex is a Stage 2 dark type Pokemon with a massive 350 HP. It’s ability is called “Shadowy Concealment” which says if one of your dark pokemon is knocked out by damage from an attack from your opponent’s Pokemon ex, that player takes one fewer prize card. The effect of Shadowy Concealment doesn’t stack.

• Void Gale

1. Cost – 2 Dark Energy
2. Damage – 230
3. Move an energy from this Pokemon to one of your Benched Pokemon

 

Roaring Moon Ex

Roaring Moon Ex is a basic dark type Pokemon with 230 HP.

• Frenzied Gougin

1. Cost – 2 Dark Energy and 1 Colourless
2. Knock out your opponent’s active Pokemon. If your opponent’s active pokemon is knocked out in this way, this pokemon does 200 damage to itself.

• Calamity Storm
• Cost - 2 Dark Energy and 1 Colourless
• Damage – 100+
• You may discard a Stadium in play and if you do, this attack does extra 120 damage.

 

Fezandipiti Ex

Fezandipiti Ex is a basic dark type Pokemon with 210 HP. Its ability is called “Flip the Script” and can be used once during your turn. If any of your pokemon were knocked out during your opponent’s last turn, you may draw 3 cards. This ability can’t be used more than 1 time per turn.

• Cruel Arrow

1. Cost – 3 colourless energy
2. This attack does 100 damage to one of your opponent’s Pokemon.

 

Deck-Setup

Here are the cards you will need for this strategy –

Pokemon Cards:

• Toxel ×2
• Toxtricity ×2
• Gastly ×2
• Haunter ×1
• Mega Gengar ex ×2
• Okidogi ex ×2
• Pecharunt ex ×2
• Fezandipiti ex ×1
• Munkidori ×1
• Munkidori ex ×1
• Yveltal ×1

Support/Trainer Cards:

• Arven ×4
• Iono ×2
• Janine’s Secret Art ×2
• Lillie’s Determination ×2
• Boss’s Orders ×2
• Pokégear 3.0 ×4
• Ultra Ball ×2
• Nest Ball ×2
• Super Rod ×2
• Precious Trolley ×1
• Energy Switch ×1
• Night Stretcher ×1
• Rare Candy ×1
• Earthen Vessel ×1
• Technical Machine: Evolution ×2
• Binding Mochi ×2
• Mesagoza ×1

Play Pokémon TCG Pocket on PC or Mac with MuMuPlayer

For the ultimate gaming experience, we suggest you download Pokémon TCG Pocket PC on MuMuPlayer. This emulator offers several advantages:

1. Smooth Gaming Experience

Enjoy smooth, stable gameplay with high FPS—perfect for long sessions, exploration, or fast-paced moments. The larger screen and sharper visuals also make details, UI, and effects easier to read.

2. Smart & Customizable Controls

Customize smart keyboard and mouse mappings for precise and comfortable control. MuMuPlayer also supports gamepad input, offering a familiar, PC-like playstyle for any game genre.

3. Multi-Instance Productivity

Run multiple instances at the same time to boost efficiency. Ideal for managing accounts, farming resources, or multitasking between different in-game activities.

4. Full Platform Support

Fully compatible with Windows and macOS, delivering optimized performance across devices.

Conclusion

In conclusion, the Mega Gengar Ex rewards smart disruptions and combining it with the poison lineup puts more pressure on your opponent. Use the recommended deck to annihilate your enemy deck.