Flip a coin. If heads, the Defending Pokémon can't attack. (Benching or evolving the Defending Pokémon ends this effect.)
Blizzard
Damage: 30
Flip a coin. If heads, this attack does 10 damage to each of your opponent's Benched Pokémon. If tails, this attack does 10 damage to each of your own Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)