A Stage 2 Pokemon Card of type Colorless with the title Porygon-Z and 130 HP of rarity Rare Holo evolved from Porygon2 from the set Burning Shadows and the flavor text: In order to create a more advanced Pokemon, an additional program was installed, but apparently it contained a defect that makes it move oddly. It has the attack Zap Cannon with the cost Colorless, Colorless, Colorless, the energy cost 3 and the damage of 80 with the description: This Pokemon can't use Zap Cannon during your next turn. It has the ability Initialize with the description: When you play this Pokemon from your hand to evolve 1 of your Pokemon during your turn, you may devolve each of your opponent's evolved Pokemon by putting the highest Stage Evolution card on it into your opponent's hand. It has weakness against Fighting 2. 
Porygon-Z