To attach a Fire Energy card from your hand to Entei, you must discard an Energy card attached to Entei. (Attach the Fire Energy, and then discard an Energy from Entei.)
Attacks
40Burning Fang
You may flip a coin. If heads, discard a Fire Energy card attached to Entei and the Defending Pokémon is now Burned.
How much is Entei #H8/147 worth?
As of November 4, 2026, Entei #H8/147 from Aquapolis sells for around $143.87 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $11,043.17, roughly 76.8x the raw price, while a PSA 9 sits near $1,850.00. 956 copies have been graded to date, and 8% 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 Entei has moved over time.