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Best Mega Steelix ex Decks and Card List

Pokemon TCG Pocket (PTCGP) Walkthrough Team

Last updated on: December 18, 2025 12:49 AM

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Pokemon TGC Pocket - Mega Steelix ex Best Deck Build and How to Play

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

List of Contents

Best Mega Steelix ex Decks
Mega Steelix ex Deck Strategy Guide
How to Beat Mega Steelix ex Decks
Related Guides

Best Mega Steelix ex Decks

Mega Steelix ex Deck Variants	Strengths and Weaknesses
Mega Steelix ex Deck	Strengths: • Onix is guaranteed to be in your starting hand, while Serena can draw a guaranteed Mega Steelix ex. • Brock can accelerate Energy for Onix. • The Heavy Helmet can increase survivability by reducing damage. Weaknesses: • Mega Steelix ex gets walled by Pom-Pom Oricorio.

Mega Steelix ex Deck

Onix ×1	Mega Steelix ex ×1	Brock ×2	Sabrina ×1
Cyrus ×1	Pokemon Center Lady ×2	Guzma ×1	Will ×1
Heavy Helmet ×2	Copycat ×1	Serena ×2	Potion ×2
Red Card ×1	Professor's Research ×2
Energy Used

This deck focuses solely on Mega Steelix ex, with the rest of the cards working to support it.

Brock accelerates Energy onto Onix's before it evolves. Will makes sure that it can nullify damage with Dig through a successful coin flip. Serena can then immediately bring Mega Steelix ex to your hand.

Once Mega Steelix ex has evolved, it can be kept healthy through Heavy Helmet's damage reduction and Pokemon Center Lady's healing.

Expansions	Cards to Get and Packs to Open
Genetic Apex (A1)	Brock x 2 (Pikachu Pack) Sabrina x 1 (Charizard Pack)
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)	Pokemon Center Lady x 2 (Shiny Charizard Pack)
Celestial Guardians	Guzma x 1 (Lunala Pack)
Extradimensional Crisis	No cards needed from this expansion.
Eevee Grove	No cards needed from this expansion.
Wisdom of Sky and Sea	Will x 1 (Lugia Pack)
Secluded Springs	No cards needed from this expansion.
Mega Rising	Heavy Helmet x 2 (Mega Gyarados Pack) Copycat x 1 (Mega Gyarados Pack)
Crimson Blaze	Onix x 1 (Mega Charizard Pack) Mega Steelix ex x 1 (Mega Charizard Pack) Serena x 2 (Mega Charizard Pack)
Promo-A	Potion x 2 (Promo-A Pack) Red Card x 1 (Promo-A Pack) Professor's Research x 2 (Promo-A Pack)

Mega Steelix ex Deck Strategy Guide

Accelerate Energy Onto Mega Steelix ex

Mega Steelix ex has a high Attack Cost, so it is best to accelerate additional Energy onto it.

You may use Brock, but this will only work while your Onix is still unevolved. Alternatively, you may use Dialga ex's Metallic Turbo.

Reduce Damage and Heal HP

Mega Steelix ex has good survivability due to its high HP and damage reduction. You may make it harder to KO using healing and damage reduction cards.

How to Beat Mega Steelix ex Decks

Use Strong Fire-Types

You may use Fire-type Pokemon with strong attacks in order to counter Mega Steelix ex. Shining Revelry Charizard ex and Mega Blaziken ex have fairly fast setups, which means that they can attack before their opponents have enough Energy.

Alternatively, you may use Mega Charizard Y to aim for the OHKO. You may pair it with Moltres ex in order to accelerate its Energy.

Discard Mega Steelix ex's Energy

You may prevent Mega Steelix ex from attacking by discarding its Energy. Because of its high Attack Cost, it may take a while before it can gain back the Energy it will lose.

Increase Your Damage Output

You may counter Mega Steelix ex's damage reduction through increasing your Pokemon's damage output. This can help you score vital KOs.

Pokemon TCG Pocket Related Guides

Decks

Best Meta Decks Tier List

Crimson Blaze Decks

CB Magnezone	Mega Lopunny ex	Mega Charizard Y ex	Mega Venusaur ex
CB Heliolisk	Ariados	CB Ditto	Mega Blastoise ex
Mega Steelix ex	Reuniclus	-	-

Top Decks in the Meta

Tier
Mega Lopunny ex and CB Magnezone Deck	Greninja ex and Suicune ex Deck	CB Magnezone and Pom-Pom Oricorio Deck	-
Tier
Mega Altaria ex and Chingling Deck	Mega Absol ex and Hydreigon Deck	Decidueye ex Deck	-
Tier
Mega Charizard Y ex and Moltres ex Deck	Mega Venusaur ex Deck	Ariados and Whimsicott ex	CB Heliolisk and CB Magnezone Deck
Mega Blaziken ex and Heatmor Deck	-	-	-
Tier
Ditto and Rampardos Deck	Mega Altaria ex and Greninja Deck	Hitmonchan ex and Lucario Deck	-
Tier
Mega Blastoise ex and Manaphy Deck	Mega Steelix ex Deck	Reuniclus and Chingling Deck	-
Tier
Mega Venusaur ex and Leafeon ex Deck	Reuniclus and Gardevoir Deck	-	-

List of All Decks

Core Expansion	Decks
(B1a)	・Ariados ・CB Ditto ・CB Heliolisk ・CB Magnezone ・Mega Blastoise ex ・Mega Charizard Y ex ・Mega Lopunny ex ・Mega Steelix ex ・Mega Venusaur ex ・Reuniclus
(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

Comment

Art Graves 42 minutes

Run this instead. Much more consistent, a lot more diverse, better ramp, better coverage, more consistent survivability. Onix can deal with Pom Pom Ori if need be. It's not S Tier but it's definitely higher than C and higher than whatever this is. 2x Mega Steelix 2x Onix (Dig) 2x Dialga Ex 1x Indeedee 2x Prof Research 2x Poke Ball 1x Potion 1x X Speed 2x Rocky Helmet (Could trade for 2x Heavy Helm if desired) 1x Sabrina 1x Leaf 1x Pokemon Center Lady 1x Lyra 1x Serena

Anonymous about 6 hours

Kiawe???

See more comments (4 Comments)

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Best Mega Steelix ex Decks and Card List

Best Mega Steelix ex Decks

Mega Steelix ex Deck

Mega Steelix ex Deck Strategy Guide

Accelerate Energy Onto Mega Steelix ex

Reduce Damage and Heal HP

How to Beat Mega Steelix ex Decks

Use Strong Fire-Types

Discard Mega Steelix ex's Energy

Increase Your Damage Output

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Crimson Blaze Decks

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