Is Deoxys-Attack viable in Gen 9 National Dex Ubers?

Deoxys-Attack is ranked #25 in Gen 9 National Dex Ubers with 5.37% usage according to Smogon May 2026 - Jul 2026 data.

What beats Deoxys-Attack in Gen 9 National Dex Ubers?

Marshadow has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 65.4% of 65.30679975814832 relevant encounters. Standard error is 8.1 points. Sets and switch conditions can change the result.

How are Deoxys-Attack matchup checks ranked in Gen 9 National Dex Ubers?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Deoxys-Attack was knocked out or switched out. This is not a set-specific battle guarantee.

Deoxys-Attack counters

Gen 9 National Dex Ubers · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0386 Deoxys-Attack

Psychic

USAGE 5.4% #25

BASE STATS

HP 50

ATK 180

DEF 20

SPA 180

SPD 20

SPE 150

BST600

TYPE MATCHUPS

2×

BugGhostDark

½×

FightingPsychic

Moves

Psycho Boost 68.9% Low Kick 50.8% Ice Beam 45.0% Rock Slide 42.6% Extreme Speed 30.1% Shadow Ball 29.9% Expanding Force 26.3% Superpower 14.9%

Items

Life Orb 47.2% Focus Sash 43.1% Power Herb 5.7% Choice Specs 2.3% Fightinium Z 0.6% Eject Pack 0.3% Choice Scarf 0.2% Psychium Z 0.2%

Tera Types

Psychic 31.6% Ghost 30.3% Normal 22.7% Stellar 5.6% Rock 2.4% Dark 2.3% Fighting 2.3%

Common Teammates

Groudon-Primal58.2%

Necrozma-Dusk-Mane32.7%

Browse Gen 9 National Dex Ubers teams using Deoxys-Attack →

Explore Deoxys-Attack + Marshadow teams 33 score Explore Deoxys-Attack + Yveltal teams 24 score Explore Deoxys-Attack + Necrozma-Dusk-Mane teams 20 score Explore Deoxys-Attack + Zacian-Crowned teams 15 score Explore Deoxys-Attack + Giratina-Origin teams 10 score Explore Deoxys-Attack + Arceus-Dark teams 8 score

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Team core to explore

Deoxys-Attack + Groudon-Primal 58.2% teammate usage Explore teams →

Checks & Counters

Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.

How to read this table

Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.

# Checker Encounters Conservative score Target KO or switch rate

Marshadow

FightingGhost OFFENSIVE CHECK View matchup

65.307

33.1

65.4% Standard error 8.08 points

DAMAGE CALC

252+ Atk Marshadow Poltergeist vs. 252 HP / 0 Def Deoxys-Attack: 1188-1400 (390.7 - 460.5%) -- guaranteed OHKO

View Marshadow counters → Teams with Marshadow →

Yveltal

DarkFlying SOFT CHECK View matchup

159.077

24.1

51.2% Standard error 6.78 points

DAMAGE CALC

0- Atk Life Orb Dark Aura Yveltal Foul Play vs. 252 HP / 0 Def Deoxys-Attack: 1646-1937 (541.4 - 637.1%) -- guaranteed OHKO

View Yveltal counters → Teams with Yveltal →

Necrozma-Dusk-Mane

PsychicSteel OFFENSIVE CHECK View matchup

60.504

19.9

55.7% Standard error 8.94 points

DAMAGE CALC

0- Atk Necrozma-Dusk-Mane Sunsteel Strike vs. 252 HP / 0 Def Deoxys-Attack: 445-525 (146.3 - 172.6%) -- guaranteed OHKO

View Necrozma-Dusk-Mane counters → Teams with Necrozma-Dusk-Mane →

Zacian-Crowned

FairySteel SOFT CHECK View matchup

141.134

14.6

42.9% Standard error 7.06 points

DAMAGE CALC

+1 252+ Atk Zacian-Crowned Play Rough vs. 252 HP / 0 Def Deoxys-Attack: 834-982 (274.3 - 323%) -- guaranteed OHKO

View Zacian-Crowned counters → Teams with Zacian-Crowned →

Giratina-Origin

GhostDragon SOFT CHECK View matchup

31.493

10.3

45.8% Standard error 8.88 points

DAMAGE CALC

0- Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 0 Def Deoxys-Attack: 924-1088 (303.9 - 357.8%) -- guaranteed OHKO

View Giratina-Origin counters → Teams with Giratina-Origin →

Arceus-Dark

Dark SOFT CHECK View matchup

33.893

8.2

42.1% Standard error 8.48 points

DAMAGE CALC

0- Atk Dread Plate Arceus-Dark Foul Play vs. 252 HP / 0 Def Deoxys-Attack: 1146-1350 (376.9 - 444%) -- guaranteed OHKO

View Arceus-Dark counters → Teams with Arceus-Dark →

Ho-Oh

FireFlying SOFT CHECK View matchup

118.975

4.3

34.0% Standard error 7.41 points

DAMAGE CALC

252+ Atk Ho-Oh Brave Bird vs. 252 HP / 0 Def Deoxys-Attack: 667-786 (219.4 - 258.5%) -- guaranteed OHKO

View Ho-Oh counters → Teams with Ho-Oh →

Groudon-Primal

GroundFire SOFT CHECK View matchup

122.555

2.2

30.7% Standard error 7.12 points

DAMAGE CALCHarsh Sunshine

252+ Atk Groudon-Primal Heat Crash (120 BP) vs. 252 HP / 0 Def Deoxys-Attack in Harsh Sunshine: 1281-1507 (421.3 - 495.7%) -- guaranteed OHKO

View Groudon-Primal counters → Teams with Groudon-Primal →

Zygarde

DragonGround SOFT CHECK View matchup

56.732

-0.9

32.7% Standard error 8.38 points

DAMAGE CALC

252+ Atk Zygarde Thousand Arrows vs. 252 HP / 0 Def Deoxys-Attack: 417-492 (137.1 - 161.8%) -- guaranteed OHKO

View Zygarde counters → Teams with Zygarde →

Arceus-Ground

Ground SOFT CHECK View matchup

24.191

-7.5

29.6% Standard error 9.29 points

DAMAGE CALC

0- Atk Earth Plate Arceus-Ground Earthquake vs. 252 HP / 0 Def Deoxys-Attack: 420-495 (138.1 - 162.8%) -- guaranteed OHKO

View Arceus-Ground counters → Teams with Arceus-Ground →

Kyogre-Primal

Water SOFT CHECK View matchup

20.521

-8.9

32.5% Standard error 10.34 points

DAMAGE CALCHeavy Rain

252+ SpA Kyogre-Primal Water Spout (150 BP) vs. 252 HP / 252+ SpD Deoxys-Attack in Heavy Rain: 799-942 (262.8 - 309.8%) -- guaranteed OHKO

View Kyogre-Primal counters →

Eternatus

PoisonDragon SOFT CHECK View matchup

24.955

-13.4

16.0% Standard error 7.34 points

DAMAGE CALC

252+ SpA Eternatus Draco Meteor vs. 252 HP / 252+ SpD Deoxys-Attack: 391-462 (128.6 - 151.9%) -- guaranteed OHKO

View Eternatus counters → Teams with Eternatus →

Ranked #25 with 5.37% usage. Sorted by conservative score.