Cornerstone Mask Ogerpon ex 215/167
Pokemon card from Twilight Masquerade · released May 24, 2024
Regulation mark HSet code TWM ENWhat the codes mean
Cornerstone Mask Ogerpon ex is a Special Illustration Rare Fighting-type Basic Pokemon card, number 215/167 in Twilight Masquerade (released May 24, 2024), illustrated by Yano Keiji. Its TCGplayer market price was ~$10.77 for the holofoil finish on Oct 30, 2026. Between Oct 1 and Oct 30, 2026, its Holofoil TCGplayer market price went from ~$11.65 to ~$10.77, down 7.6%.
Prices by finish
| Finish | PriceMarket price | Low | Mid | Buy |
|---|---|---|---|---|
| Holofoil | ~$10.77 | ~$9.74 | ~$12.81 | CardNexuseBayBuy Holofoil on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
TCGplayer market prices per finish, as of Oct 30, 2026. A guide, not an appraisal; condition and grading change real-world value. Buy links are affiliate links.
As an Amazon Associate I earn from qualifying purchases. We also take part in the TCGplayer and CardNexus (via Impact) and eBay Partner Network affiliate programs. Links to TCGplayer, CardNexus, eBay and Amazon are affiliate links: if you buy through them we may earn a commission, at no extra cost to you. Cardmarket links are not affiliate links.
Sealed Twilight Masquerade products
TCGplayer market prices (via TCGCSV), Oct 30, 2026.
Twilight Masqueade Half Booster Box~$199.75Buy on CardNexusSearch eBayBuy on TCGplayer Twilight Masqueade Half Booster Box (opens in a new tab)Search eBaySearch AmazonCardNexus
Pokemon Center Elite Trainer Box (Exclusive)~$185.52Buy on CardNexusSearch eBayBuy on TCGplayer Twilight Masquerade Pokemon Center Elite Trainer Box (Exclusive) (opens in a new tab)Search eBaySearch AmazonCardNexus
Card details
| Set | Twilight Masquerade |
| Number | 215/167 |
| Rarity | Special Illustration Rare |
| Type | Fighting |
| HP | 210 |
| Stage | Basic |
| Artist | Yano Keiji |
| Regulation mark | H |
| Format legality | Standard · Expanded |
| Finishes | Holofoil |
What the codes mean
- Card number215/167215 is above the set's 167, so this is a secret rare: a card numbered past the main list.
- Set codeTWM ENTWM is the set code for Twilight Masquerade, and EN means an English card. From Scarlet & Violet on, this code replaced the set symbol.
- Regulation markHStandard legality goes by this letter, and H is legal in Standard (H and later since the Apr 10, 2026 rotation).
- RaritySpecial Illustration Rare: two gold stars.
- Illustrator“Illus. Yano Keiji” names the artist who made the art.
Attacks & abilities
Ability: Cornerstone StancePrevent all damage from attacks done to this Pokémon by your opponent's Pokémon that have an Ability.
Demolish140This attack's damage isn't affected by Weakness or Resistance, or by any effects on your opponent's Active Pokémon.
Weakness: Grass ×2 · Retreat cost: 1
Other Cornerstone Mask Ogerpon ex printings
More Twilight Masquerade cards
All Teal Mask Ogerpon cards · Twilight Masquerade price list
Card data via TCGdex and pokemontcg.io, updated Oct 31, 2026. Prices: TCGplayer market prices via TCGCSV, Oct 30, 2026.