Hydreigon

Card Number | Rarity: 74/119 | Holo Rare
Card Type | HP | Stage: Dragon | 140 | Stage 2
Card Text: Ability Dark Impulse

Once during your turn (before you attack), you may attach a Darkness Energy from your discard pile to your Active Pokemon.
Attack: [2PD] Crazy Headbutt (130)

Discard an Energy attached to this Pokemon.
Weakness | Retreat Cost: Yx2 | 3