Raichu

It turns aggressive if it has too much electricity in its body. It discharges power through its tail.

Electromagnetic Induction: Search your deck for up to 2 Lightning Energy cards and attach them to 1 of your Pokémon. Shuffle your deck afterward.

Explosive Thunder (30x): Discard all basic Lightning Energy cards attached to Raichu. This attack does 30 damage times the number of Lightning Energy cards you discarded.