Is Miraidon viable in Gen 9 VGC 2026 Reg I (Bo3)?

Miraidon is ranked #4 in Gen 9 VGC 2026 Reg I (Bo3) with 32.80% usage according to Smogon Feb 2026 - Apr 2026 data.

What beats Miraidon in Gen 9 VGC 2026 Reg I (Bo3)?

The best counter for Miraidon in Gen 9 VGC 2026 Reg I (Bo3) is Chien-Pao with a 61.2% win rate when they meet. Based on Smogon's Feb 2026 - Apr 2026 usage data, the top Pokémon that beat Miraidon include Chien-Pao, Amoonguss, Zamazenta-Crowned, Miraidon, Incineroar.

What is the best counter for Miraidon in Gen 9 VGC 2026 Reg I (Bo3)?

Chien-Pao is the best counter for Miraidon in Gen 9 VGC 2026 Reg I (Bo3), KOing or forcing it out in 61.2% of their encounters.

Miraidon counters

Gen 9 VGC 2026 Reg I (Bo3) · Sorted by reliability score · Smogon · Feb 2026 - Apr 2026

#1008 Miraidon

ElectricDragon

USAGE 32.8% #4

BASE STATS

HP 100

ATK 85

DEF 100

SPA 135

SPD 115

SPE 135

BST670

TYPE MATCHUPS

2×

IceGroundDragonFairy

½×

FireWaterGrassFlyingSteel

¼×

Electric

Moves

Electro Drift 99.8% Volt Switch 99.2% Draco Meteor 99.0% Snarl 39.0% Protect 33.5% Dazzling Gleam 25.9% Discharge 1.3% Dragon Pulse 0.7%

Items

Choice Scarf 35.4% Life Orb 33.2% Choice Specs 25.7% Assault Vest 5.1% Covert Cloak 0.4% Magnet 0.1% Clear Amulet 0.0% Zap Plate 0.0%

Tera Types

Electric 73.9% Fairy 25.2% Ghost 0.7% Fire 0.1% Water 0.0% Steel 0.0% Bug 0.0% Stellar 0.0%

Common Teammates

Incineroar75.7%

Urshifu-Rapid-Strike49.3%

Checks & Counters

Ranked by reliability — blends KO rate with how often each Pokémon is matched up.

# Checker Encounters Reliability KO Rate

Chien-Pao

DarkIce OFFENSIVE CHECK

38.757

61.2% dies 7.83%

DAMAGE CALCElectric Terrain

252+ Atk Sword of Ruin Chien-Pao Icicle Crash vs. 252 HP / 0 Def Miraidon: 204-240 (98.5 - 115.9%) -- 81.3% chance to OHKO

View Chien-Pao counters → Teams with Chien-Pao →

Amoonguss

GrassPoison SOFT CHECK

30.629

48.1% dies 9.03%

DAMAGE CALCElectric Terrain

252+ SpA Amoonguss Sludge Bomb vs. 252 HP / 252+ SpD Miraidon: 42-51 (20.2 - 24.6%) -- guaranteed 5HKO

View Amoonguss counters → Teams with Amoonguss →

Zamazenta-Crowned

FightingSteel SOFT CHECK

44.309

46.1% dies 7.49%

DAMAGE CALCElectric Terrain

+1 0 Def Zamazenta-Crowned Body Press vs. 252 HP / 0 Def Miraidon: 91-108 (43.9 - 52.1%) -- 12.9% chance to 2HKO

View Zamazenta-Crowned counters → Teams with Zamazenta-Crowned →

Miraidon

ElectricDragon SOFT CHECK

68.071

45.4% dies 6.04%

DAMAGE CALCElectric Terrain

252+ SpA Hadron Engine Miraidon Draco Meteor vs. 252 HP / 252+ SpD Miraidon: 218-260 (105.3 - 125.6%) -- guaranteed OHKO

View Miraidon counters → Teams with Miraidon →

Incineroar

FireDark SOFT CHECK

81.076

45.2% dies 5.53%

DAMAGE CALCElectric Terrain

252+ Atk Incineroar Knock Off (97.5 BP) vs. 252 HP / 0 Def Miraidon: 84-100 (40.5 - 48.3%) -- guaranteed 3HKO

View Incineroar counters → Teams with Incineroar →

Calyrex-Ice

PsychicIce SOFT CHECK

32.591

44.4% dies 8.70%

DAMAGE CALCElectric Terrain

252+ Atk Calyrex-Ice Glacial Lance vs. 252 HP / 0 Def Miraidon: 270-318 (130.4 - 153.6%) -- guaranteed OHKO

View Calyrex-Ice counters → Teams with Calyrex-Ice →

Calyrex-Shadow

PsychicGhost SOFT CHECK

62.686

44.1% dies 6.27%

DAMAGE CALCElectric Terrain

252+ SpA Calyrex-Shadow Astral Barrage vs. 252 HP / 252+ SpD Miraidon: 88-105 (42.5 - 50.7%) -- 2% chance to 2HKO

View Calyrex-Shadow counters → Teams with Calyrex-Shadow →

Koraidon

FightingDragon SOFT CHECK

37.81

43.8% dies 8.07%

DAMAGE CALCSun

252+ Atk Orichalcum Pulse Koraidon Dragon Claw vs. 252 HP / 0 Def Miraidon: 206-246 (99.5 - 118.8%) -- 93.8% chance to OHKO

View Koraidon counters → Teams with Koraidon →

Rillaboom

Grass SOFT CHECK

63.114

43.5% dies 6.24%

DAMAGE CALCGrassy Terrain

252+ Atk Rillaboom High Horsepower vs. 252 HP / 0 Def Miraidon: 116-138 (56 - 66.6%) -- guaranteed 2HKO after Grassy Terrain recovery

View Rillaboom counters → Teams with Rillaboom →

Whimsicott

GrassFairy SOFT CHECK

21.74

40.6% dies 10.53%

DAMAGE CALCElectric Terrain

252+ SpA Whimsicott Moonblast vs. 252 HP / 252+ SpD Miraidon: 84-102 (40.5 - 49.2%) -- guaranteed 3HKO

View Whimsicott counters → Teams with Whimsicott →

Kyogre

Water SOFT CHECK

22.509

40.1% dies 10.33%

DAMAGE CALCRain

252+ SpA Mystic Water Kyogre Water Spout (150 BP) vs. 252 HP / 252+ SpD Miraidon in Rain: 93-110 (44.9 - 53.1%) -- 31.3% chance to 2HKO

View Kyogre counters → Teams with Kyogre →

Flutter Mane

GhostFairy SOFT CHECK

26.821

40.0% dies 9.46%

DAMAGE CALCElectric Terrain

252+ SpA Flutter Mane Moonblast vs. 252 HP / 252+ SpD Miraidon: 120-144 (57.9 - 69.5%) -- guaranteed 2HKO

View Flutter Mane counters → Teams with Flutter Mane →

Lunala

PsychicGhost SOFT CHECK

23.687

36.7% dies 9.90%

DAMAGE CALCElectric Terrain

252+ SpA Lunala Moonblast vs. 252 HP / 252+ SpD Miraidon: 82-98 (39.6 - 47.3%) -- guaranteed 3HKO

View Lunala counters → Teams with Lunala →

Ranked #4 with 32.80% usage. Sorted by reliability score.