Flip a coin. If heads, this attack does 10 damage plus 10 more damage; if tails, this attack does 10 damage.
Overhead Toss うしろなげ
40
If you have any Benched Pokémon, flip a coin. If tails, choose 1 of your Benched Pokémon. This attack does 20 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
Japanese release
Snapping Pincers きあいばさみ
10+
Flip a coin. If heads, this attack does 20 more damage.
Overhead Toss うしろなげ
40
Flip a coin. If tails, this attack does 20 damage to 1 of your Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
In the Japanese release, when using the attack Snapping Pincers, it is possible to deal an additional 20 damage. In the English release, it was altered to only possibly deal an additional 10 damage.