Jolteon 8

Flip a coin. If heads, search your deck for a Lightning Energy card and attach it to 1 of your Pokémon. Shuffle your deck afterward. Damage: 20

If Jolteon has 3 of more different types of basic Energy cards attached to it, this attack does 40 damage plus 20 more damage and the Defending Pokémon is now Confused. Damage: 40+