Cornerstone Mask Ogerpon ex

The 2025 Prismatic Evolutions Cornerstone Mask Ogerpon ex is a special illustration rare Fighting-type Pokémon card with 210 HP, illustrated by Yukihiro Tada. Raw near-mint copies trade around $14.18, while a PSA 10 is modelled near $59.18 and a PSA 9 near $32.18. In its original set it is a chase card — roughly a 1-in-1,778 booster pull (modelled, not official). Cornerstone Mask Ogerpon ex has 4 other printings in the catalogue.