Cornerstone Mask Ogerpon ex

Ability: Cornerstone Stance — Prevent all damage from attacks done to this Pokémon by your opponent's Pokémon that have an Ability. | Demolish (140): This attack's damage isn't affected by Weakness or Resistance, or by any effects on your opponent's Active Pokémon. | 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).