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5 facts about this card
This card spotlights Ogerpon’s Cornerstone Mask form, one of the mask-powered identities introduced in The Hidden Treasure of Area Zero: The Teal Mask, where the mask lets Ogerpon wield Rock-type power in battle.
Cornerstone Mask Ogerpon carries extra story weight because the masks were originally crafted for Ogerpon and its human companion so they could join Kitakami’s Festival of Masks, tying the card directly to one of Scarlet & Violet’s most emotional folktales.
Twilight Masquerade was built around Kitakami and Ogerpon’s four special Tera forms, making Cornerstone Mask Ogerpon ex one of the signature chase cards from the set’s central storyline.
Its Cornerstone Stance Ability mirrors the game lore almost perfectly, because Ogerpon’s Cornerstone Mask is described as making its body rock-solid enough to protect it from all manner of attacks.
The Special Illustration Rare artwork was created by Yano Keiji, giving this collector favorite a showcase treatment that separates it from the standard print and helps sell the mythic presence of Ogerpon’s masked form.
Card Reference
Cornerstone Mask Ogerpon ex is a Pokemon trading card from the Pokemon Twilight Masquerade set, card number 215. This card has a Special Illustration Rare rarity, is printed in English, belongs to the Scarlet & Violet era, and was released in 2024. The current market price is $14.42, based on recent Raw NM sales tracked on Double Holo, with 1 listing currently for sale.
The current market price of Cornerstone Mask Ogerpon ex is $14.42. Market price reflects recent Raw NM sales on Double Holo and updates as new sales come in.
Cornerstone Mask Ogerpon ex is from the Pokemon Twilight Masquerade set, card number 215, released in 2024.
Whether Cornerstone Mask Ogerpon ex is worth grading depends on its condition and the graded population for the card. Higher grades command larger premiums, so review recent graded sales and use Double Holo's Grading ROI tools to weigh the cost of grading against the expected graded value before submitting.
You can buy or sell Cornerstone Mask Ogerpon ex on the Double Holo marketplace, which pairs live listings with a bid and ask order book, so you can set your own price or take the best available offer. Sellers pay a 4.9% platform fee on completed sales, with a $1 minimum.