Kingdra

It stores energy by sleeping at underwater depths at which no other life-forms can survive.

Ancient Trait — α Growth: When you attach an Energy card from your hand to this Pokémon (except with an attack, Ability, or Trainer card), you may attach 2 Energy cards.

Gather Strength: Search your deck for up to 4 basic Energy cards, reveal them, and put them into your hand. Shuffle your deck afterward.

Dragon Blast (150): Discard a Water Energy and a Lightning Energy attached to this Pokémon.