A Stage 2, GX Pokemon Card of type Colorless with the title Porygon-Z-GX and 240 HP of rarity Promo evolved from Porygon2 from the set SM Black Star Promos.  It has the attack Abnormal Overheating with the cost Colorless, Colorless, Colorless, the energy cost 3 and the damage of 160 with the description: This Pokemon is now Burned. It has the attack Critical Error-GX with the cost Colorless, the energy cost 1 with the description: Search your deck for up to 10 cards and discard them. Then, shuffle your deck. (You can't use more than 1 GX attack in a game.) It has the ability Troubleshooting with the description: Once during your turn (before your attack), you may discard a Special Energy from this Pokemon. If you do, heal 80 damage from it. It has weakness against Fighting 2. 
Porygon-Z-GX