Metal Energy (6/30) [XY: Trainer Kit 1 - Bisharp] SM12 you can send 1 Spell

you can send 1 Spell or Trap card you control to the Graveyard to change the target to this card

Set: Miscellaneous Cards Type: Lightning Rarity: Common Retreat cost: Colorless

you can Normal Summon it to have it be treated as an Effect Monster with this effect: • When this card destroys an opponent's monster by battle and sends it to the Graveyard

Set: Enemy of Justice Card type: Effect Monster Rarity: Ultimate Rare Attack: 1200 Defense: 600 This card accumulates effects according to the number of monsters on your side of the field that include "Harpie" in their names (other than "Harpie's Pet Baby Dragon" and "Harpie's Brother")

Metal Energy (6/30) [XY: Trainer Kit 1 - Bisharp] SM12 you can send 1 SpellSet: XY: Trainer Kit 1 Bisharp Type: Metal Rarity: Promo