If an attack does damage to the Defending Pokémon (after applying Weakness and Resistance), that attack does 20 more damage to that Pokémon until the end of your next turn.
[C] Double Spin: 10×
Flip 2 coins. This attack does 10 damage times the number of heads.
It looks just like a Poké Ball. It is dangerous because it may electrocute or explode on touch.