Once during your turn, when you play Jolteon ex from your hand to evolve 1 of your Pokémon, you may put 1 damage counter on each of your opponent's Pokémon.
Attacks
20+Second Bite
Does 20 damage plus 10 more damage for each damage counter on the Defending Pokémon.
70Thunder Blast
Discard a Lightning Energy card attached to Jolteon ex.
How much is Jolteon ex #109/113 worth?
As of November 6, 2026, Jolteon ex #109/113 from Delta Species sells for around $204.16 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $19,280.89, roughly 94.4x the raw price, while a PSA 9 sits near $1,487.49. 942 copies have been graded to date, and 5% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Jolteon ex has moved over time.