Once during your turn (before your attack), if you have Unown H, Unown E, Unown A, and Unown L on your Bench, you may remove all Special Conditions from 1 of your Active Pokémon.
Attacks
30Hidden Power
Discard a card from your hand. (If you can't discard a card from your hand, this attack does nothing.)
“Shaped like ancient writing, it is a huge mystery whether language or UNOWN came first.”
How much is Unown [H] #29/106 worth?
Unown [H] #29/106 is a Rare card from Great Encounters (2008) — today it trades at roughly $16.22 ungraded. Across the 2 printings we track, copies run anywhere from $14.72 to $659.68 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $241.59, roughly 14.9x the raw price, while a PSA 9 sits near $10.50. 95 copies have been graded to date, and 1% 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.