Cornerstone Mask Ogerpon ex - 112/167 Double Rare Prize Pack Series CardsCornerstone Mask Ogerpon ex 112 167 Double Rare Prize Pack Series Cards Tera As long as this Pokmon is on your Bench, prevent all damage done to this Pokmon by attacks (both yours and your opponent's). Ability Cornerstone Stance Prevent all damage from attacks done to this Pokmon by your opponent's Pokmon that have an Ability.