Overview
Miraidon ex is a fast-paced Lightning deck built around its Tandem Unit Ability, which allows players to search their deck for two Basic Lightning Pokémon and place them directly onto the Bench.
This ability gives the deck extremely strong early-game setup, often allowing a full Bench within the first turn. The deck then accelerates Lightning Energy using Flaaffy and applies constant pressure with powerful attackers like Raikou V.
Because it can establish its board so quickly, Miraidon ex remains one of the most aggressive Lightning archetypes in the format.
Playstyle
Miraidon ex decks focus on fast board development and immediate offensive pressure.
Using Tandem Unit early allows the deck to quickly set up multiple attackers and support Pokémon. Once the Bench is established, Flaaffy’s Dynamotor ability accelerates Lightning Energy from the discard pile to keep attackers powered up throughout the game.
The deck aims to take early Prize cards using Raikou V or Miraidon ex, forcing opponents to react quickly. Its speed makes it particularly effective against slower setup decks.
Core Pokémon
These Pokémon form the backbone of the deck.
Miraidon ex
The primary engine of the deck. Tandem Unit searches for two Basic Lightning Pokémon and places them onto your Bench, enabling explosive early-game setup. Its Photon Blaster attack deals strong damage for a relatively low energy cost.
Raikou V
A key attacker in many Miraidon builds. Fleet-Footed provides additional draw power, while Lightning Rondo deals more damage based on the number of Benched Pokémon in play.
Flaaffy
Dynamotor allows Lightning Energy to be attached from the discard pile to a Benched Pokémon each turn, providing consistent energy acceleration.
Mareep
The Basic Pokémon required to evolve into Flaaffy and activate the Dynamotor engine.
Key Trainer Cards
These cards help Miraidon decks establish their board and maintain pressure.
Electric Generator
One of the most powerful acceleration cards in the deck. It can attach Lightning Energy directly from the deck to Benched Lightning Pokémon.
Ultra Ball
Searches any Pokémon from your deck, helping you find Miraidon ex or support Pokémon quickly.
Boss's Orders
Allows you to target key Pokémon on the opponent’s Bench for important knockouts.
Switch Cart
Provides mobility while also healing Basic Pokémon such as Miraidon ex.
Common Utility Pokémon
Many Miraidon builds include additional Pokémon to improve consistency or specific matchups.
Radiant Greninja
Provides extra draw power while placing Lightning Energy into the discard pile for Flaaffy to accelerate later.
Manaphy
Protects your Bench from spread damage.
Lumineon V
Helps find critical Supporter cards at important moments.
Strategy Tips
Use Tandem Unit early
Getting Miraidon ex into play quickly allows you to establish your Bench immediately and set up your attackers.
Take advantage of Electric Generator
Early Energy acceleration can allow powerful attackers to begin taking knockouts as early as turn one or two.
Manage your bench space carefully
Because Miraidon decks rely on multiple Basic Pokémon, careful bench management is important.
Use Raikou V for efficient damage
Lightning Rondo becomes extremely strong when both players have full benches.
Maintain energy pressure with Flaaffy
Dynamotor allows you to continuously power attackers throughout the game.
Why Miraidon ex Remains Competitive
Miraidon ex continues to perform well because of its exceptional speed and consistency. Tandem Unit allows the deck to develop its board faster than most strategies, while Electric Generator and Flaaffy provide reliable energy acceleration.
This combination of rapid setup and constant pressure makes Miraidon ex a dangerous opponent for many decks in the current format.
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