Jolteon ☆サンダース☆

Poké-PowerYellow Ray

Once during your turn, when you put Jolteon ☆ from your hand onto your Bench, you may put 1 damage counter on each Active Pokémon (both yours and your opponent's).

Flip a coin. If heads, prevent all effects of an attack, including damage, done to Jolteon ☆ during your opponent's next turn.