Electabuzz (81) - Diamond and Pearl

Flip a coin. If heads, this attack does 30 damage plus 10 more damage. If tails, Electabuzz does 10 damage to itself.

Flip a coin. If heads, the Defending Pokémon is now Paralyzed. If Electabuzz is evolved from Elekid, this attack does 20 damage to 1 of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)