Serperior (3 Diamonds rarity) is the #A4b-037 card from the Deluxe Pack ex set in Pokémon TCG Pocket. It is a Grass card. Serperior can be obtained from Deluxe Pack ex Booster Pack in the Deluxe Pack ex Set.
Energy attached to your Pokémon provides 2 Energy. This effect doesn't stack.
PocketCards.net
