Jolteon-EX is card #28a of 83 in Generations (2016), a Rare Ultra illustrated by Ryo Ueda. In a Generations booster it turns up about once every 115 packs. It is one of 41 Jolteon cards printed so far.
1999Jungle
2003Skyridge
2007Power Keepers
2010HS—Undaunted
2015Ancient Origins
2016Generations
2019Cosmic Eclipse
2022Brilliant Stars Trainer Gallery

















See the full Generations card list
It is a Rare Ultra, and it shows up about once every 115 Generations packs.
Ryo Ueda drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Generations booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.