Holon's Magneton

You may attach this as an Energy card from your hand to 1 of your Pokemon that already has an Energy card attached to it. When you attach this card, return an Energy card attached to that Pokemon to your hand. While attached, this card is a Special Energy card and provides every type of Energy but 2 Energy at a time. (Has no effect other than providing Energy.)

Attack 1

Extra Ball (30+)
If the Defending Pokemon is Pokemon-ex, this attack does 30 damage plus 20 more damage.