Twilight Masquerade

Cornerstone Mask Ogerpon ex

TWM215· Special illustration rare
Cornerstone Mask Ogerpon ex TWM 215

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Versions of this card

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What the card itself says

Its characteristics and effects in play, with the original text when available.

HP
210
Type
Fighting
Stage
Basic
Retreat cost
1
Weakness
×2
Regulation mark
H
Number
215/167
Set
Twilight MasqueradeTWMSet guide
Illustrated by
Yano Keiji

Its Ability

Cornerstone Stance

Prevent all damage from attacks done to this Pokémon by your opponent's Pokémon that have an Ability.

Its attacks

Demolish

140

This attack's damage isn't affected by Weakness or Resistance, or by any effects on your opponent's Active Pokémon.

What to make of it

Have a look at what it does well, then at what will get in your way. After that you'll know whether it belongs in your deck.

  1. A strength

    Retreat cost 1. One Energy to discard and it is back on the Bench, which matters a lot on the turn you need to swap attackers.

  2. A strength

    It has an Ability, Cornerstone Stance. An Ability costs you no attack, so you can use it and still swing the same turn.

  3. A strength

    Azumarill runs it in 25 of the 34 lists we have read, seen across 23 different tournaments.

  4. A strength

    It is a Basic Pokémon. You can put it down on your very first turn, with nothing to evolve through.

  5. A strength

    Mark H. It is one of the marks currently accepted in Standard: H, I, and J.

  6. Keep in mind

    It is an ex card. The turn it goes down your opponent takes 2 Prizes instead of one, and games do turn on exactly that.

  7. Keep in mind

    Weakness Grass ×2. Against a Grass Pokémon, apply that to the damage it takes — it climbs fast. Of the 3,810 tournament lists we have read, 2,349 run at least one Pokémon of that type.

Standard format: source checked on September 22, 2026. TCGdex

Who plays it

These decks really played this card at a tournament. We spot it by the little set code printed at the bottom, the one players copy onto their list — two cards sometimes share a name, the code never lies.

The decks that list this card, with how many lists and how many tournaments
DeckListsTournamentsPrinting listed
Azumarill25 of 3423TWM 112
Dudunsparce20 of 2918TWM 112
Okidogi / Barbaracle18 of 3718TWM 112
Mega Zygarde ex / Barbaracle16 of 2116TWM 112
Crustle14 of 7414TWM 112
Teal Mask Ogerpon ex / Meganium8 of 338TWM 112
Toucannon8 of 258TWM 112
Bloodmoon Ursaluna / Lunatone7 of 337TWM 112
Mega Zygarde ex6 of 266TWM 112
Blissey ex5 of 205TWM 112
Feraligatr5 of 165TWM 112
Joltik5 of 315TWM 112
Bronzong4 of 274TWM 112
Seaking3 of 553TWM 112
Wellspring Mask Ogerpon ex / Fan Rotom3 of 303TWM 112
Ceruledge ex2 of 342TWM 112
Froslass / Munkidori2 of 322TWM 112
Mega Absol ex2 of 222TWM 112
Mega Lucario ex2 of 382TWM 112
Sylveon2 of 222TWM 112
Latias ex / Mega Kangaskhan ex1 of 581TWM 112
Blaziken ex1 of 211TWM 112
Cinderace ex1 of 61TWM 112
Lillie's Clefairy ex / Teal Mask Ogerpon ex1 of 411TWM 112
Cynthia's Garchomp ex1 of 421TWM 112
Greninja ex / Blaziken ex1 of 241TWM 112
Hydreigon ex1 of 461TWM 112
Lillie's Clefairy ex1 of 341TWM 112
Mega Lucario ex / Hariyama1 of 501TWM 112
Mamoswine ex1 of 241TWM 112
Mega Excadrill ex1 of 301TWM 112
Mega Lopunny ex1 of 211TWM 112

When it came out

Twilight Masquerade landed here on 24 May 2024.

In Japan these cards were already in shops on 26 April 2024, under the code SV6. That is 28 days ahead of us.

Every set, with both of its dates

The other cards of this Pokémon

Two cards of the same Pokémon can be worth wildly different amounts — it depends on the set, the rarity and the artwork. We put all 29 Teal Mask Ogerpon cards on one page, priciest first.

See every Teal Mask Ogerpon card and its price