Holon Researcher
Search your deck for a Metal Energy card or a Basic Pokemon (or Evolution card) that has δ on its card, show it to your opponent, and put it into your hand. Shuffle your deck afterward.
Card rule
You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card.
Card rule
Discard a card from your hand. If you can't discard a card from your hand, you can't play this card.
Delta Species