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As long as this Pokémon is on your Bench, prevent all damage done to this Pokémon by attacks (both yours and your opponent’s).

Crashing Headbutt

200

Discard the top 3 cards of your opponent’s deck.

Obsidian

130

This attack also does 130 damage to 2 of your opponent’s Benched Pokémon. (Don’t apply Weakness and Resistance for Benched Pokémon.)

Pokémon ex rule

When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.