Flygon EX & Iron Valiant Deck Guide
Grass
FightingFlygon EX & Iron Valiant is a control-leaning build that leans on Flygon EX's Sand Slammer ability for passive bench damage every turn while Iron Valiant's Future System reduces attack costs on Future Pokémon. Iron Crown adds another Future attacker that scales with benched threats, and a deep supporter package of Professor's Research, Cyrus, and Copycat keeps the engine consistent.
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Deck List
Get the list on DiscordStrengths
- Flygon EX deals 10 passive damage to every opposing Pokémon each turn
- Iron Valiant reduces Future Pokémon attack costs by one energy
- Iron Crown scales damage off Future Pokémon on the bench
- Strong supporter package with Cyrus, Sabrina, and Copycat disruption
Weaknesses
- Flygon EX is a Stage 2 — needs Rare Candy on curve
- Three EX attackers stack prize liability
- Vulnerable to Ice/Water-type counters
- Energy mix between Grass and Fighting can stall opening hands
Key Matchups
- Wide-bench setup decks Favored
- EX-heavy attackers Favored
- Fast Water aggro Unfavored
- Tempo midrange Even
Strategy Overview
Open Trapinch and start applying Iron Valiant pressure with Slicing Blade while building toward Flygon EX. Rare Candy into Flygon EX to start the Sand Slammer passive damage clock, then alternate Iron Crown's Enumerating Blade with Iron Valiant cost-reduced swings. Use Cyrus and Sabrina to drag damaged Pokémon active and convert Sand Slammer chip into knockouts.
Gameplay Video
Key Cards
Flygon EX
Engine — Sand Slammer deals 10 passive damage to every opposing Pokémon during Pokémon Checkup.
Iron Valiant
Future System ability reduces Future Pokémon attack costs by one energy.
Iron Crown
Secondary Future attacker — Enumerating Blade scales damage with benched Future Pokémon.
Peculiar Plaza
Stadium that reduces retreat cost for tempo pivots.
Early Game
Bench Trapinch and Iron Valiant, attach energy, and start applying Slicing Blade pressure while building toward Flygon EX. On turn one with Flygon EX & Iron Valiant, your priority is finding Flygon EX or Iron Valiant so you can start attaching Grass and Fighting energy on schedule. If you open with the wrong basic, search aggressively with Professor's Research or Poké Ball before committing energy you might waste. Bench every basic you intend to evolve as early as possible — Flygon EX and Iron Valiant need time to come online, and an empty bench turn one usually loses you the tempo war. Preserve removal Supporters like Cyrus or Sabrina for the mid game; using them on turn one is rarely worth the lost draw. Against fast aggressive openings hinted at by your unfavored matchups (flygon ex is a stage 2 — needs rare candy on curve), bench a pivot so a surprise knockout on the active does not strand your evolution line.
Mid Game
Rare Candy into Flygon EX to start the Sand Slammer damage clock, then chain Enumerating Blade and Slicing Blade swings. By the mid game Flygon EX & Iron Valiant should have Flygon EX powered and at least one back-up attacker on the bench. This is the window where the deck's core engine — Flygon EX, Iron Valiant, Iron Crown — has to actively trade prizes. Sequence your attacks so each knockout sets up the next: leave a damaged opposing Pokémon active for Cyrus, or use Sabrina to drag out a benched threat before it can power up. Track your prize trade carefully. Flygon EX & Iron Valiant leans on the strengths "Flygon EX deals 10 passive damage to every opposing Pokémon each turn" and "Iron Valiant reduces Future Pokémon attack costs by one energy", so push the board state that maximises those lines rather than auto-attacking the active. If you fall behind on board, pivot to a single-prize attacker and use this turn to rebuild instead of giving up a multi-prize knockout.
Late Game
Close with passive Sand Slammer chip plus Cyrus drags, using Pokémon Center Lady to keep attackers healthy. Late game with Flygon EX & Iron Valiant is about closing on your terms. Count your remaining prizes and the opponent's, then build the exact attack sequence that wins before they can stabilise. If you are ahead, deny the comeback: knock out their last realistic attacker or use Sabrina to strand a benched Pokémon that cannot retreat. If you are behind, look for an OHKO line using Flygon EX — Flygon EX & Iron Valiant typically wins from behind by chaining a single huge turn rather than grinding back evenly. Be ready to spend every remaining Supporter and energy on the closing turn; holding resources "just in case" after the prize race is decided is the most common way to throw a winning position with this deck.
Mulligan Guide & Opening Priorities
The ideal opener for Flygon EX & Iron Valiant is Flygon EX + Iron Valiant in hand with a way to attach Grass and Fighting energy on the first turn. Mulligan decisions in Pokémon TCG Pocket are limited, so focus on what you keep: prioritise basics that evolve into your key attackers, plus at least one draw Supporter like Professor's Research or Iono. Hold onto Rare Candy or stage-up pieces even if they look dead early — they enable the explosive mid game this deck depends on. Preserve removal cards (Cyrus, Sabrina) for when the opponent has a damaged or vulnerable bench rather than spending them on the first available target.
Common Mistakes
- Benching Flygon EX too early without protection, letting the opponent snipe your main attacker before it is powered.
- Attaching Grass energy to a Pokémon that will not attack this game instead of building toward your win condition.
- Spending Cyrus or Sabrina on turn one for tempo when they would have closed a prize two turns later.
- Evolving on curve into Flygon EX without first checking whether you have the energy to attack the same turn.
- Ignoring the weakness "Flygon EX is a Stage 2 — needs Rare Candy on curve" and not boarding a pivot or single-prize back-up in unfavored matchups.
- Auto-attacking the active Pokémon instead of using Sabrina/Cyrus to set up the knockout sequence the deck actually wants.
- Burning Professor's Research with a full hand and losing the cards you still needed for the closing turn.
Card Replacements
Flygon EX fills a unique role in Flygon EX & Iron Valiant (engine — sand slammer deals 10 passive damage to every opposing pokémon during pokémon checkup.). If you do not own it, the deck cannot be rebuilt around a single swap — consider playing a different Grass and Fighting archetype until you can craft it.
Iron Valiant fills a unique role in Flygon EX & Iron Valiant (future system ability reduces future pokémon attack costs by one energy.). If you do not own it, the deck cannot be rebuilt around a single swap — consider playing a different Grass and Fighting archetype until you can craft it.
Iron Crown fills a unique role in Flygon EX & Iron Valiant (secondary future attacker — enumerating blade scales damage with benched future pokémon.). If you do not own it, the deck cannot be rebuilt around a single swap — consider playing a different Grass and Fighting archetype until you can craft it.
Iono is a strong universal draw Supporter and slots into nearly any deck if you are missing copies of Professor's Research, though it costs you raw card quantity.
Cyrus pulls a damaged bench Pokémon active; Sabrina lets the opponent choose, but still forces a switch and keeps your closing pressure alive.
Frequently Asked Questions
Is Flygon EX & Iron Valiant beginner friendly?
Flygon EX & Iron Valiant is a tournament deck build in Tier A. It has a few decision-heavy turns and a real evolution line to manage, so newer players should expect a learning curve before they pilot it well. Read the Early/Mid/Late Game sections above before queuing into ranked.
Is Flygon EX & Iron Valiant good for ranked ladder?
Yes — Flygon EX & Iron Valiant sits in Tier A of the current meta, and its strengths (Flygon EX deals 10 passive damage to every opposing Pokémon each turn, Iron Valiant reduces Future Pokémon attack costs by one energy) line up well against most ladder decks. It is not the absolute top tier, but it is consistent enough to ladder with if you respect its unfavored matchups.
What are the hardest matchups for Flygon EX & Iron Valiant?
The toughest matchups are Fast Water aggro. These decks attack the parts of your plan flagged in the Weaknesses section — usually flygon ex is a stage 2 — needs rare candy on curve. Mulligan harder for your fastest opener and lean on single-prize attackers to slow down the prize trade.
What should I craft first for Flygon EX & Iron Valiant?
Prioritise Flygon EX and Iron Valiant — these are the cards the deck cannot function without. Draw Supporters (Professor's Research, Iono) and removal (Cyrus, Sabrina) are universal staples and worth crafting even if you later swap archetypes.
Can I play Flygon EX & Iron Valiant without the main Grass and Fighting engine?
Not really. Flygon EX & Iron Valiant is built around Flygon EX and the Grass and Fighting energy line — removing that core turns it into a different deck. If you are missing pieces, check the Card Replacements section above for the closest realistic alternatives, or play a budget archetype until you can craft the missing cards.
Is Flygon EX & Iron Valiant tournament viable?
Flygon EX & Iron Valiant has a real tournament track record — its favored matchups against Wide-bench setup decks and EX-heavy attackers cover a meaningful share of the expected field. Bring it if the meta you are reading is heavy on those archetypes.
How long does a game with Flygon EX & Iron Valiant usually take?
Most games end inside the Pokémon TCG Pocket turn clock once Flygon EX is online. The slow games are the ones where you miss the evolution or energy attachment on the key turn — those usually decide themselves before turn six.
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