Your opponent can't play any Trainer cards (except for Supporter cards) from his or her hand during your opponent's next turn.
Dragon Roar
Put 8 damage counters on the Defending Pokémon. If that Pokémon would be Knocked Out by this attack, put any damage counters not necessary to Knock Out the Defending Pokémon on your opponent's Benched Pokémon in any way you like.
How much is Dragonite ex δ #91/101 worth?
Dragonite ex δ #91/101 is a Rare Holo EX card from Dragon Frontiers (2006) — today it trades at roughly $471.92 ungraded.
Grading changes the math on this one: a PSA 10 is valued around $23,500.00, roughly 49.8x the raw price, while a PSA 9 sits near $3,561.62. 1,227 copies have been graded to date, and 2% 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.