Pineco

It looks just like a pinecone. Its shell protects it from bird Pokémon that peck it by mistake.

Tackle (10)

Selfdestruct (40): This attack does 10 damage to each Benched Pokémon (both yours and your opponent's). (Don't apply Weakness and Resistance for Benched Pokémon.) Pineco does 50 damage to itself.