Ditto

Card Number | Rarity: 4/112 | Holo Rare
Card Type | HP | Stage: Colorless | 60 | Basic
Card Text: Poke-POWER Form Variation

Once during your turn (before you attack), you may search your discard pile for a Basic Pokemon (excluding Pokemon-ex and Ditto) and switch it with Ditto. (Any cards attached to Ditto, damage counters, Special Conditions, and effects on it are now on the new Pokemon.) Place Ditto in the discard pile.
Attack: [1] Energy Ball (10+)

Does 10 damage plus 10 more damage for each Energy attached to Ditto but not used to pay for this attack’s Energy cost. You cannot add more than 20 damage in this way.
Weakness | Resistance | Retreat Cost: F | None | 1