Cornerstone Mask Ogerpon ex is card #215 of 167 in Twilight Masquerade (2024), a Special Illustration Rare illustrated by Yano Keiji. At about $11.17 it is the #22 most valuable card in the set. In a Twilight Masquerade booster it turns up about once every 756 packs.


















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An ungraded Cornerstone Mask Ogerpon ex from Twilight Masquerade sells for about $11.17. A PSA 10 is worth more, roughly $39.09 by our estimate, and a PSA 9 around $22.34.
It is a Special Illustration Rare, and it shows up about once every 756 Twilight Masquerade packs.
Yano Keiji drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Twilight Masquerade booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.