Core
Poké Ball, Professor's Research, Mega Houndoom ex, Flame Patch, and Copycat appear in an early sample of 3 public lists. Treat this as a starting point and compare the alternatives before calling it a stable recommendation.






Rank 165
Data window: Jul 18, 2026Aug 14, 2026
UpdatedAug 15, 2026Use this Mega Houndoom ex page to understand the deck's game plan, core cards, and matchups before you build or pilot Mega Houndoom ex.
This 20-card baseline is reconstructed from average card counts across 3 public tournament decklists. It is more useful than a random sample list, but it is still an aggregate—not one player's submitted deck.
Load this representative 20-card list into the builder to edit, check ownership, and share.

Poké Ball
P-A-005

Professor's Research
P-A-007

Flame Patch
B1-217

Copycat
B1-225

X Speed
P-A-002

Cyrus
A2-150

Rainbow Cave
B4-155

Sabrina
225

Elegant Cape
B3b-065

Protective Poncho
B2-147
Other cards found in tracked lists, kept out of the 20-card baseline.
Mega Houndoom ex Deck DNA
Copies are allocated with a largest-remainder calculation from aggregate copies per deck and capped at two per card. Inclusion percentages and matchup results remain visible below so you can see where lists disagree.
Poké Ball, Professor's Research, Mega Houndoom ex, Flame Patch, and Copycat appear in an early sample of 3 public lists. Treat this as a starting point and compare the alternatives before calling it a stable recommendation.
Houndour, Rainbow Cave, Houndour, Sabrina, and Elegant Cape appear in an early sample of 3 public lists. Treat this as a starting point and compare the alternatives before calling it a stable recommendation.
Matchups ordered by sample size. The range is a 95% Wilson interval, which prevents tiny samples from looking more certain than they are.
There is not enough matchup data for this archetype yet.
Expansion sets and booster packs that supply Mega Houndoom ex’s core Pokémon (used in at least half of tracked decklists).
Daily snapshots preserve trends; card roles come from inclusion rates; matchup uncertainty is shown explicitly; player identities and private ownership are never stored.
Events included in this snapshot. The current schema does not attribute individual archetypes to specific events.
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Statistics are aggregated from public standard-Swiss Pokemon TCG Pocket tournaments on Limitless Tournament Platform. Player identity and individual deck ownership are not retained.
Tournament intelligence
Compare every tracked archetype by meta share, win rate, and core card usage.
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