As often as you like during your turn (before your attack), you may move a Water or Fighting Energy attached to 1 of your Benched Pokémon to your Active Pokémon. This power can't be used if Swampert is affected by a Special Condition.
Attacks
80Hammer Arm
Discard the top card from your opponent's deck.
“It can swim while towing a large ship. It bashes down foes with a swing of its thick arms.”
How much is Swampert #9/106 worth?
Swampert #9/106 is a Rare Holo card from Great Encounters (2008) — today it trades at roughly $54.62 ungraded. Across the 2 printings we track, copies run anywhere from $34.84 to $515.49 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $2,700.00, roughly 49.4x the raw price, while a PSA 9 sits near $205.83. 281 copies have been graded to date, and 33% 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.