Pokemon TCG Pocket (PTCGP)

Best Hydreigon Decks and Card List

Pokemon TCG Pocket (PTCGP) Walkthrough Team

Last updated on: November 25, 2025 09:38 PM

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Pokemon TGC Pocket - Hydreigon Best Deck Build and How to Play

This guide will show you how to build some of the strongest Hydreigon Decks. We'll cover the best Hydreigon Deck builds, how to use them, as well how to beat Hydreigon Decks, and more!

List of Contents

Best Hydreigon Decks
Hydreigon Deck Strategy Guide
How to Beat Hydreigon Decks
Related Guides

Best Hydreigon Decks

Hydreigon Deck Variants	Strengths and Weaknesses
Hydreigon Deck [★ Best ★]	Strengths: • Can set itself up to Attack with its Roar in Unison Ability. • Can attack on consecutive turns, despite Hyper Ray's discard condition. Weaknesses: • Roar in Unison puts damage on Hydreigon, making it easier to KO. • Hydreigon is a Stage 2, which requires some effort and resources to set up.
Mega Absol ex and Hydreigon Deck [★ Best ★]	Strengths: • Inexpensive Attack in Darkness Claw, which can 2HKO most ex Pokemon. • Darkness Claw can be disruptive if it can discard a Supporter card from your opponent's hand. • Hydreigon's massive damage output can make up for Mega Absol ex's relatively low attack power. Weaknesses: • Mega Absol ex has low HP compared to other Mega ex Pokemon.
Mega Absol ex and Nihilego Deck [★ New ★]	Strengths: • Poison Barb and Nihilego's More Poison Ability can deal additional damage to the opponent's Active Pokemon. • This deck focuses on disruption using Mega Absol ex's Darkness Claw. Weaknesses: • Mega Absol ex has low HP compared to other Mega ex Pokemon. • This deck has no recovery options.
Tauros ex and Hydreigon Deck [★ New ★]	Strengths: • Tauros ex can dominate in the early game, since it's very easy to set up. • Hydreigon can make up for Tauros ex's middling damage output in the late game. Weaknesses: • Tauros ex and Hydreigon can both damage themselves. • Hydreigon can make up for Tauros ex's middling damage output in the late game.

Hydreigon Deck

Cleffa ×1	Absol ×1	Deino ×2	Zweilous ×1
Hydreigon ×2	Sabrina ×1	Giant Cape ×1	Cyrus ×1
Red ×1	Rare Candy ×2	Lillie ×1	May ×1
Poke Ball ×2	Red Card ×1	Professor's Research ×2
Energy Used

Hydreigon boasts a number of powerful attributes. being a non-ex, single-point Pokemon that can deal high damage and accelerate Energy onto itself.

Being a Stage 2, however comes with the limitation of being difficult to set up and being reliant on multiple turns and finding Rare Candy.

This deck also runs non-ex Absol, whose Leap Over Attack can outright KO Mantyke and Magikarp.

Expansions	Cards to Get and Packs to Open
Genetic Apex (A1)	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)	No cards needed from this expansion.
Shining Revelry (A2b)	Red x 1 (Shiny Charizard Pack)
Celestial Guardians	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	Cleffa x 1 (Lugia Pack) Absol x 1 (Any Pack)
Secluded Springs	No cards needed from this expansion.
Mega Rising	Deino x 2 (Mega Gyarados Pack) Zweilous x 1 (Mega Gyarados Pack) Hydreigon x 2 (Mega Gyarados Pack) May x 1 (Mega Blaziken Pack)
Promo-A	Poke Ball x 2 (Promo-A Pack) Red Card x 1 (Promo-A Pack) Professor's Research x 2 (Promo-A Pack)

Alternate Card Suggestions

Alternate Cards	Possible Cuts
Mars (A2 155)	→ ・You can slot in Mars instead of Red Card if you prefer.

Mega Absol ex and Hydreigon Deck

Cleffa ×1	Mega Absol ex ×2	Deino ×2	Hydreigon ×2
Giant Cape ×1	Cyrus ×1	Mars ×1	Pokemon Center Lady ×1
Red ×1	Rare Candy ×2	Poke Ball ×2	Red Card ×2
Professor's Research ×2
Energy Used

Mega Absol ex, Mars, and the Red Card can all be used in this deck to disrupt your opponent's setup.

Although Mega Absol ex's Darkness Claw has a great disruptive effect, it lacks the power you may want in the late game. Hydreigon is here to make up for Mega Absol ex's damage output. Switch it in if you need to deal with high HP Pokemon or if you need to go up against Pom-Pom Oricorio.

Expansions	Cards to Get and Packs to Open
Genetic Apex (A1)	No cards needed from this expansion.
Mythical Island (A1a)	No cards needed from this expansion.
Spacetime Smackdown (A2)	Giant Cape x 1 (Dialga Pack) Cyrus x 1 (Palkia Pack) Mars x 1 (Palkia Pack)
Triumphant Light (A2a)	No cards needed from this expansion.
Shining Revelry (A2b)	Pokemon Center Lady x 1 (Shiny Charizard Pack) Red 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	Cleffa x 1 (Lugia Pack)
Secluded Springs	No cards needed from this expansion.
Mega Rising	Mega Absol ex x 2 (Mega Gyarados Pack) Deino x 2 (Mega Gyarados Pack) Hydreigon x 2 (Mega Gyarados Pack)
Promo-A	Poke Ball x 2 (Promo-A Pack) Red Card x 2 (Promo-A Pack) Professor's Research x 2 (Promo-A Pack)

Alternate Card Suggestions

Alternate Cards	Possible Cuts
Dark Pendant (A4 154)	→ ・Get rid of even more of your opponent's cards by attaching a Dark Pendant to Mega Absol ex.

Mega Absol ex and Nihilego Deck

Nihilego ×2	Mega Absol ex ×2	Deino ×2	Hydreigon ×2
Cyrus ×1	Rare Candy ×2	Poison Barb ×2	May ×1
Poke Ball ×2	Red Card ×2	Professor's Research ×2
Energy Used

This deck allows you to inflict Poison on your opponent in order to make up for Mega Absol ex's relatively low damage output. You can attach Poison Barb to Mega Absol ex in the Active Spot, then have Nihilego on your Bench to increase the Poison damage every turn.

Since you can use Mega Absol ex's Darkness Claw to get rid of some of your opponent's recovery options, this is a good way to deal damage over time. However, if you're in need of a large amount of damage in one move, you can attack with Hydreigon.

Expansions	Cards to Get and Packs to Open
Genetic Apex (A1)	No cards needed from this expansion.
Mythical Island (A1a)	No cards needed from this expansion.
Spacetime Smackdown (A2)	Cyrus x 1 (Palkia Pack)
Triumphant Light (A2a)	No cards needed from this expansion.
Shining Revelry (A2b)	No cards needed from this expansion.
Celestial Guardians	Rare Candy x 2 (Any Pack) Poison Barb x 2 (Lunala Pack)
Extradimensional Crisis	Nihilego x 2 (Buzzwole Pack)
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	Mega Absol ex x 2 (Mega Gyarados Pack) Deino x 2 (Mega Gyarados Pack) Hydreigon x 2 (Mega Gyarados Pack) May x 1 (Mega Blaziken Pack)
Promo-A	Poke Ball x 2 (Promo-A Pack) Red Card x 2 (Promo-A Pack) Professor's Research x 2 (Promo-A Pack)

Tauros ex and Hydreigon Deck

Darkrai ex ×1	Deino ×2	Zweilous ×1	Hydreigon ×2
Tauros ex ×2	Sabrina ×1	Cyrus ×1	Mars ×1
Rare Candy ×2	Will ×2	May ×1	Poke Ball ×2
Professor's Research ×2
Energy Used

It's ideal to have Tauros ex in your Active Spot as soon as possible in order to quickly knock out your opponent's Pokemon before they can set up. Darkrai ex is best used to support it from the Bench, and Hydreigon can be set up on the Bench to come in and clean up in the late game.

Once Tauros ex is all set up, it's best to attach your Energy onto Darkrai, and use Hydreigon's Ability to generate Energy for itself. However, this can make it vulnerable to being switched into the Active Spot with an opposing Cyrus, so it's recommended to only use its Ability when you're ready to swap it in yourself.

To prevent your Tauros ex from inflicting damage on itself, you can use Will to make sure the coin flip is in your favor.

Expansions	Cards to Get and Packs to Open
Genetic Apex (A1)	Sabrina x 1 (Charizard Pack)
Mythical Island (A1a)	No cards needed from this expansion.
Spacetime Smackdown (A2)	Darkrai ex x 1 (Dialga Pack) Cyrus x 1 (Palkia Pack) Mars x 1 (Palkia Pack)
Triumphant Light (A2a)	No cards needed from this expansion.
Shining Revelry (A2b)	No cards needed from this expansion.
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	Will x 2 (Lugia Pack)
Secluded Springs	No cards needed from this expansion.
Mega Rising	Deino x 2 (Mega Gyarados Pack) Zweilous x 1 (Mega Gyarados Pack) Hydreigon x 2 (Mega Gyarados Pack) Tauros 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)

Alternate Card Suggestions

Alternate Cards	Possible Cuts
Rocky Helmet (A2 148)	→ ・You can swap Will with a Rocky Helmet if you're willing to trade potential chip damage on Tauros ex for more damage onto the opponent.

Hydreigon Deck Strategy Guide

Hydreigon's Explosive Offense

Hydreigon can accelerate Energy onto itself with Roar in Unison. Once set up, it can use Hyper Ray to deal a massive 130 damage, with the minor downside of discarding Energy, which it can get back the following turn.

Use Cleffa to Find Evolution Cards

Cleffa can search for Pokemon with Twinkly Call, increasing the deck's consistency. This becomes even more effective after you have used your Poke Balls, because it ensures that you will only find evolution cards with Twinkly Call.

Because evolving into Hydreigon is the deck's core strategy, Cleffa's setup is a valuable tool in the deck's arsenal.

KO Low-HP Pokemon with Absol

Non-ex Absol is a great option against low-HP Pokemon, particularly Mantyke and Magikarp. The option to KO these two Pokemon make the Absol a worthy inclusion to the deck.

Mega Absol ex is Also a Powerful Partner

Hydreigon with Mega Absol ex is also a strong combination. Mega Absol ex can discard your opponent's Supporter cards, severely limiting their options and disrupting their setup. Simply retreat Mega Absol ex into Hydreigon and score a KO to take your remaining points.

Best Mega Absol ex Decks and Card List

How to Beat Hydreigon Decks

Use Cyrus to Draw Out a Damaged Hydreigon

Because Hydreigon's Roar in Unison causes it to damage itself, it becomes easier to KO. Attack an Active Hydreigon for KO or gust out a damaged one from the Bench using Cyrus.

Pokemon TCG Pocket Related Guides

Decks

Best Meta Decks Tier List

Mega Rising Decks

Mega Altaria ex	Indeedee ex	Greninja ex	Mega Blaziken ex
Mega Absol ex	Mega Gyarados ex	Hydreigon	Jolteon ex
Mega Ampharos ex	Melmetal ex	Luxray	Goodra
Mega Pinsir ex	Hitmonchan ex	Dragalge ex	Whimsicott ex
Rapidash ex	Tauros ex	Golurk	Mega Pidgeot ex

Top Decks in the Meta

Tier
Mega Altaria ex and Chingling Deck	Greninja ex and Suicune ex Deck	Mega Absol ex and Hydreigon Deck	-
Tier
Mega Blaziken ex and Heatmor Deck	Pom-Pom Oricorio and Magnezone Deck	Decidueye ex Deck	-
Tier
Mega Absol ex and Pom-Pom Oricorio Deck	Mega Absol ex and Weezing Deck	Hydreigon Deck	Espeon ex and Indeedee ex Deck
Tier
Mega Blaziken ex and Entei ex Deck	Mega Gyarados ex and Milotic Deck	Indeedee ex and Giratina ex Deck	Luxray Deck
Pom-Pom Oricorio and Greninja Deck	Giratina ex and Darkrai ex Deck	Guzzlord ex and Naganadel Deck	-
Tier
Mega Pinsir ex and Leafeon ex Deck	Mega Ampharos ex and Raikou ex Deck	Hitmonchan ex and Lucario Deck	Jolteon ex and Jolteon Deck
Tapu Koko ex and Pom-Pom Oricorio Deck	SR Pikachu ex and Pom-Pom Oricorio Deck	Crobat and Arceus ex Deck	Goodra and Indeedee ex Deck
Tier
Rapidash ex and Ninetales Deck	Tauros ex and Hydreigon Deck	Whimsicott ex and Meowscarada Deck	Dragalge ex and Nihilego Deck
Golurk Deck	Aegislash and Togedemaru Deck	Mega Pidgeot ex and Raikou ex Deck	-

List of All Decks

Core Expansion	Decks
(B1)	・Aegislash ・Dragalge ex ・Greninja ex ・Golurk ・Goodra ・Hitmonchan ex ・Hydreigon ・Indeedee ex ・Jolteon ex ・Luxray ・Mega Absol ex ・Mega Altaria ex ・Mega Ampharos ex ・Mega Blaziken ex ・Mega Gyarados ex ・Mega Pidgeot ex ・Mega Pinsir ex ・Melmetal ex ・Rapidash ex ・Tauros ex ・Whimsicott ex
(A4a)	・Altaria ・Celebi ・Dugtrio ・Entei ex ・Galarian Cursola ・Jumpluff ex ・Latios ・Miltank ・Poliwrath ex ・Raikou ex ・Slowking ・SS Eelektross ・Suicune ex ・Zoroark
(A4)	・Crobat ex ・Donphan ex ・Espeon ex ・Ho-oh ex ・Kingdra ex ・Lanturn ex ・Lugia ex ・Magcargo ・Raikou ・Scizor ・Shuckle ex ・Skarmory ex ・Steelix ・Umbreon ex ・WSS Gyarados ・WSS Tyranitar ・Xatu
(A3b)	・Alcremie ・Dragonite ex ・Espeon ・Flareon ex ・Glaceon ・Jolteon ・Leafeon ・Primarina ex ・Slurpuff ・Snorlax ex ・Sylveon ex ・Umbreon ・Vaporeon
(A3a)	・Alolan Dugtrio ex ・Blacephalon ・Buzzwole ex ・Guzzlord ex ・Lycanroc ex ・Naganadel ・Nihilego ・Pheromosa ・Shiinotic ・Silvally ・Stoutland ・Tapu Koko ex ・Ultra Necrozma ex
(A3)	・Alolan Muk ex ・Alolan Ninetales ・Alolan Raichu ex ・Araquanid ・Banette ・Crabominable ex ・Decidueye ex ・Dhelmise ex ・Incineroar ex ・Kommo-o ・Lunala ex ・Mimikyu ・Passimian ex ・Pom-Pom Oricorio ・Rayquaza ex ・Solgaleo ex ・Tsareena ・Turtonator ・Vikavolt ・Wishiwashi ex
(A2b)	・Beedrill ex ・Bibarel ex ・Dondozo ・Gholdengo ・Giratina ex ・Lucario ex ・Meowscarada ・Paldean Clodsire ex ・Pawmot ・SR Charizard ex ・SR Pikachu ex ・Tinkaton ex ・Wugtrio ex
(A2a)	・Abomasnow ・Arceus ex ・Bronzong ・Carnivine ・Crobat ・Donphan ・Garchomp ex ・Gengar ・Glaceon ex ・Heatran ・Houndoom ・Leafeon ex ・Origin Forme Palkia ・Probopass ex ・Snorlax ・Staraptor ・TL Tyranitar
(A2)	・Bastiodon ・Darkrai ex ・Dialga ex ・Empoleon ・Gallade ex ・Garchomp ・Infernape ex ・Lickilicky ex ・Lucario ・Luxray ・Magnezone ・Mesprit ・Mismagius ex ・Pachirisu ex ・Palkia ex ・Porygon-Z ・Rampardos ・Rhyperior ・Togekiss ・Torterra ・Weavile ex ・Yanmega ex
(A1a)	・Aerodactyl ex ・Celebi ex ・Golem ・Gyarados ex ・Mew ex ・Pidgeot ex ・Scolipede
(A1)	・Aerodactyl ・Alakazam ・Arbok ・Arcanine ex ・Articuno ・Articuno ex ・Blastoise ・Blastoise ex ・Centiskorch ・Charizard ・Dragonite ・Exeggutor ex ・Frosmoth ・GA Charizard ex ・GA Gyarados ・GA Pikachu ex ・Gengar ex ・Greninja ・Kabutops ・Kingler ・Lapras ex ・Machamp ex ・Marowak ex ・Melmetal ・Mewtwo ex ・Moltres ex ・Ninetales ・Omastar ・Pidgeot ・Poliwrath ・Primeape ・Raichu ・Starmie ex ・Venusaur ・Venusaur ex ・Weezing ・Wigglytuff ex ・Zapdos ・Zapdos ex

Best Rental Deck Tier List

Deck-Building Guides and Lists

Lists of Decks by Type
Best F2P Beginner Decks	Best Non-ex Decks
Which ex Starter Deck Should You Get?	List of Rental Decks
Best 18 Trainers Decks	Best Trainerless Decks for Solo Battle Missions
List of Meme or Troll Decks	List of Ultra Beast Decks
Best Eeveelution Decks	Best Baby Pokemon Decks
Deck-Building Guides
Deck Building Guide	How Rental Decks Work
Staple Cards for Decks	-
Deck Analyses
Deck Matchup Statistics	10 Match Tests vs Pikachu ex Deck - Statistics

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Best Hydreigon Decks and Card List

Best Hydreigon Decks

Hydreigon Deck

Alternate Card Suggestions

Mega Absol ex and Hydreigon Deck

Alternate Card Suggestions

Mega Absol ex and Nihilego Deck

Tauros ex and Hydreigon Deck

Alternate Card Suggestions

Hydreigon Deck Strategy Guide

Hydreigon's Explosive Offense

Use Cleffa to Find Evolution Cards

KO Low-HP Pokemon with Absol

Mega Absol ex is Also a Powerful Partner

How to Beat Hydreigon Decks

Use Cyrus to Draw Out a Damaged Hydreigon

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