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Best Gigalith ex Decks and Card List

Pokemon TCG Pocket (PTCGP) Walkthrough Team

Last updated on: January 29, 2026 10:42 AM

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

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

List of Contents

Best Gigalith ex Decks
Gigalith ex Deck Strategy Guide
How to Beat Gigalith ex Decks
Related Guides

Best Gigalith ex Decks

Gigalith ex Deck Variants	Strengths and Weaknesses
Gigalith ex and Passimian ex [★ Best ★]	Strengths: • Gigalith ex has great bulk. • Passimian ex can transfer Energy to Gigalith ex once it has been KO'd. • Lyra can be used to attack with Megaton Cannon twice in a row. Weaknesses: • Gigalith ex can take a long time to set up. • Gigalith ex normally cannot attack consecutively. • Gigalith ex struggles to OHKO bulkier Pokemon.

Gigalith ex and Passimian ex

Passimian ex ×2	Roggenrola ×2	Gigalith ex ×2	Cornerstone Mask Ogerpon ×1
Rocky Helmet ×2	Mars ×1	Rare Candy ×2	Lyra ×2
Copycat ×2	Poke Ball ×2	Professor's Research ×2
Energy Used

Passimian ex is used as this deck's early-game attacker. Once it has been knocked out, it will transfer its Energy to Gigalith ex.

Gigalith ex functions as the finisher of the deck. It is intended to OHKO the opponent's Pokemon with Megaton Cannon. Rocky Helmet is used to deal additional chip damage, helping Gigalith ex score points.

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)	Rocky Helmet x 2 (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	Passimian ex x 2 (Lunala Pack) 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	Lyra x 2 (Lugia Pack)
Secluded Springs	No cards needed from this expansion.
Mega Rising	Copycat x 2 (Mega Gyarados Pack)
Crimson Blaze	No cards needed from this expansion.
Fantastical Parade	Roggenrola x 2 (Mega Gardevoir Pack) Gigalith ex x 2 (Mega Gardevoir Pack) Cornerstone Mask Ogerpon x 1 (Mega Gardevoir Pack)
Promo-A	Poke Ball x 2 (Promo-A Pack) Professor's Research x 2 (Promo-A Pack)

Gigalith ex Deck Strategy Guide

Use an Early Game Attacker

Gigalith ex is a Stage 2 Pokemon with a high Attack Cost. It is best to set it up in the Bench.

You may place an Energy-efficient attacker in your Active Spot during the early turns. Passimian ex is a good option, as it can transfer its Energy to Gigalith ex upon being knocked out.

Use Lyra to Attack Consecutively

You may use Lyra to send Gigalith ex to the Bench without using up its hefty Retreat Cost. Once you put it back into the Active Spot, you will be able to use Megaton Cannon for two consecutive turns as Retreating removes the attack restriction from Megaton Cannon.

Deal Additional Damage

Megaton Cannon deals 140 damage, which may not be enough to KO bulkier Pokemon. You may use Rocky Helmet to deal additional chip damage.

How to Beat Gigalith ex Decks

Use Fast and Powerful Pokemon

Gigalith ex can take a lot of time to set up. You may be able to secure a quick victory by using powerful and Energy-efficient Pokemon.

Energy Denial

Gigalith ex has a high Attack Cost. If you discard its Energy, it will be unable to attack.

Hand Disruption

Gigalith ex decks may need to rely on other cards to evolve faster and deal additional damage. You may shuffle the cards in your opponent's hand back into the deck in order to disrupt their strategy.

Pokemon TCG Pocket Related Guides

Decks

Best Meta Decks Tier List

Fantastical Parade Decks

Galarian Obstagoon	Mega Gardevoir ex	Alolan Ninetales ex	Mega Kangaskhan ex
Mega Swampert ex	Mega Mawile ex	Teal Mask Ogerpon ex	Mimikyu ex
Tyrantrum	Gigalith ex	Toxtricity ex	Blacephalon ex
Maushold	-	-	-

Top Decks in the Meta

Tier
Greninja ex and Suicune ex Deck	Mega Absol ex and Hydreigon Deck	Mega Altaria ex and Greninja Deck	Galarian Obstagoon and Darkrai ex
Tier
Mega Gardevoir ex and Mewtwo ex Deck	Mega Kangaskhan ex and Darkrai ex Deck	Mega Absol ex and Greninja Deck	CB Magnezone and Pom-Pom Oricorio Deck
Reuniclus and Chingling Deck	Alolan Ninetales ex and Crawdaunt Deck	-	-
Tier
Decidueye ex Deck	Jolteon ex and Jolteon Deck	Mega Blaziken ex and Heatmor Deck	Mega Kangaskhan ex and Pom-Pom Oricorio Deck
Mega Swampert ex and Mantyke Deck	-	-	-
Tier
Mega Mawile ex Deck	Teal Mask Ogerpon ex and Serperior Deck	-	-
Tier
Mega Gardevoir ex and Mimikyu ex Deck	Tyrantrum and Passimian ex Deck	Mega Venusaur ex Deck	-

List of All Decks

Core Expansion	Decks
(B2)	・Alolan Ninetales ex ・Blacephalon ex ・Galarian Obstagoon ・Gigalith ex ・Maushold ・Mega Gardevoir ex ・Mega Kangaskhan ex ・Mega Mawile ex ・Mega Swampert ex ・Mimikyu ex ・Teal Mask Ogerpon ex ・Toxtricity ex ・Tyrantrum
(B1a)	・Ariados ・CB Ditto ・CB Heliolisk ・CB Porygon-Z ・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

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Best Gigalith ex Decks and Card List

Best Gigalith ex Decks

Gigalith ex and Passimian ex

Gigalith ex Deck Strategy Guide

Use an Early Game Attacker

Use Lyra to Attack Consecutively

Deal Additional Damage

How to Beat Gigalith ex Decks

Use Fast and Powerful Pokemon

Energy Denial

Hand Disruption

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Fantastical Parade Decks

Top Decks in the Meta

List of All Decks

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