Cornerstone Mask Ogerpon ex Collector’s Guide

Character Intro

Cornerstone Mask Ogerpon ex is an Ultra Rare from Twilight Masquerade (sv6-199). This Fighting-type Basic Tera ex features 210 HP, the Cornerstone Stance ability, and the hard-hitting Demolish attack, giving it a striking presence for both collectors and players.

Quick Facts

• Pokémon: Cornerstone Mask Ogerpon ex
• Type: Fighting
• Stage: Basic, Tera, ex
• Retreat Cost: 1
• Weakness: Grass ×2
• Resistance: None
• Ability: Cornerstone Stance — Prevents all damage from attacks by opponent’s Pokémon that have an Ability.
• Attack: Demolish — 140 damage, unaffected by Weakness, Resistance, or effects on opponent’s Active Pokémon.
• Regulation Mark: H
• Set Code: sv6-199
• Series: Scarlet & Violet
• Legal: unknown

Key Printings

The only known printing of Cornerstone Mask Ogerpon ex is from the Twilight Masquerade set, numbered 199. Classified as Ultra Rare, it’s a desirable piece for Scarlet & Violet collectors.

Variants & Identifiers

There are no known print variants. Identifiers include set code sv6-199, Ultra Rare rarity, and 5ban Graphics artwork. Its combination of Basic, Tera, and ex subtypes further distinguishes the card.

Legality & Play Notes

Legality: unknown
This card follows the Pokémon ex rule—when it’s Knocked Out, the opponent takes 2 Prize cards. Cornerstone Stance and Tera typing offer defensive utility, especially when positioned on the Bench.

Care & Storage Tips

As an Ultra Rare with distinctive artwork, store it in a protective sleeve away from direct sunlight. Use a rigid top-loader or a binder with individual pockets to prevent bending and surface wear.

Set-by-Set Micro-summaries

• Twilight Masquerade: Introduced Cornerstone Mask Ogerpon ex as a powerful Fighting-type Basic Tera ex with a defensive ability and a high-damage attack unaffected by common modifiers, highlighting Tera mechanics and ex rules.