Once during your turn (before your attack), if this Pokémon is on your Bench, you may switch this Pokémon with your Active Pokémon.
Attacks
50+Secret Sword
Does 20 more damage for each Water Energy attached to this Pokémon.
How much is Keldeo-EX #142/149 worth?
Right now (November 5, 2026) the going rate for an ungraded Keldeo-EX #142/149 from Boundaries Crossed is about $155.00.
Grading changes the math on this one: a PSA 10 is valued around $5,075.90, roughly 32.7x the raw price, while a PSA 9 sits near $598.67. 295 copies have been graded to date, and 6% 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 Keldeo-EX has moved over time.