If this Pokémon is your Active Pokémon, once during your turn (before your attack), you may heal 50 damage from 1 of your Pokémon that has any Energy attached to it.
Attacks
110Solar Beam
Grand Bloom-GX
For each of your Benched Basic Pokémon, search your deck for a card that evolves from that Pokémon and put it onto that Pokémon to evolve it. Then, shuffle your deck. (You can't use more than 1 GX attack in a game.)
How much is Leafeon-GX #139/156 worth?
As of November 6, 2026, Leafeon-GX #139/156 from Ultra Prism sells for around $46.99 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $545.31, roughly 11.6x the raw price, while a PSA 9 sits near $83.83. 676 copies have been graded to date, and 44% of them came back a 10 — worth knowing before you pay grading fees.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.