Question 1

What is the current market value of Cornerstone Mask Ogerpon ex #199?

Accepted Answer

Cornerstone Mask Ogerpon ex from Twilight Masquerade is currently trading around $4.90. The 7-day delta remains near neutral at -0.6%. Current value trails the 30-day mean ($5.02) by 2.5%. The 90-day window shows a floor near $3.87 and a peak around $5.69 (37% total spread), which maps to moderate-volatility movement. Rarity classification for this copy is Ultra Rare.

Question 2

Is Cornerstone Mask Ogerpon ex #199 a good investment or collectible?

Accepted Answer

Current valuation lens: Over the last 7 days, prices have remained stable at -0.6%, indicating a consolidation phase over sudden breakouts. With a 37% 90-day spread ($3.87-$5.69), this card currently tracks as moderate-volatility. Current value remains close to its 30-day mean ($5.02). Graded context points to a substantial premium curve, with PSA 10 at +876% above raw pricing. PSA 9 is currently around $14.81, while PSA 10 is $47.84.

Question 3

What is Cornerstone Mask Ogerpon ex #199 and what makes it special?

Accepted Answer

In 2024, Twilight Masquerade introduced this print of Cornerstone Mask Ogerpon ex. Its card type is Pokémon. The rarity label is Ultra Rare. Printed HP is 210. Energy typing is Fighting. It carries a Basic, Tera, and ex subtype designation. The card text reads: As long as this Pokémon is on your Bench, prevent all damage done to this Pokémon by attacks (both yours and your opponent's). Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards. Tera: As long as this Pokémon is on your Bench, prevent all damage done to this Pokémon by attacks (both yours and your opponent's). This card has the following ability: "Cornerstone Stance". Attack line includes "Demolish". Grass weakness applies to this print. The retreat cost for this card is 1. This rarity tier generally sits in premium chase segments relative to base rarities.

Question 4

What are the alternative Cornerstone cards available?

Accepted Answer

Other Cornerstone printings create a useful comparison set for Cornerstone Mask Ogerpon ex. This comparison sample includes 4 alternatives across 2 sets. Comparable prices currently cover $0.74-$17.36, a 2246% band. Against the sample mean of $8.77, this card is -44%. Notable alternatives include Cornerstone Mask Ogerpon ex #215 (Twilight Masquerade) at $16.05, Cornerstone Mask Ogerpon ex #58 (Prismatic Evolutions) at $0.92, Cornerstone Mask Ogerpon ex #160 (Prismatic Evolutions) at $17.36, and Cornerstone Mask Ogerpon ex #112 (Twilight Masquerade) at $0.74.

Question 5

What set is Cornerstone Mask Ogerpon ex #199 from, and when was it released?

Accepted Answer

Twilight Masquerade was released in 2024. Series classification for this set is Scarlet & Violet. Set size is 226 cards, which categorizes Twilight Masquerade as large. As of 2026, the set is 2 years old and still in a recent release window. Within this set, Cornerstone Mask Ogerpon ex is card number 199 with a Ultra Rare designation.

Cornerstone Mask Ogerpon ex #199

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All Cornerstone Mask Ogerpon ex cards

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