It isnt surprising that it sold for so much given that its the only one known to still exist, and that its in almost perfect condition with a Beckett grade of 8.5
Then, the Mega Evolution era changed the game with a new rarity system
Other printings of Rhydon $36.82 Rhydon Skyridge $36.82 Rhydon Skyridge $4.35 Rhydon Legendary Collection $7.10 Rhydon Hidden Legends $1.26 Rhydon Emerald $0.45 Rhydon XY $4.16 Rhydon Jungle $1.78 Rhydon Base Set 2 Most valuable cards in Diamond & Pearl View the full price guide $74.32 Torterra LV.X Diamond & Pearl $58.31 Infernape LV.X Diamond & Pearl $50.17 Empoleon LV.X Diamond & Pearl $37.19 Gengar Diamond & Pearl $32.36 Lucario Diamond & Pearl $13.30 Luxray Diamond & Pearl $12.00 Dialga Diamond & Pearl $11.19 Electivire Diamond & Pearl More cards by Naoyo Kimura $615.95 Tyranitar Aquapolis $566.66 Lugia Aquapolis $458.65 Pikachu with Grey Felt Hat Scarlet & Violet Black Star Promos $285.99 Tyranitar Aquapolis $210.69 Poliwrath Skyridge $179.99 Vaporeon Skyridge $179.99 Vaporeon Skyridge $154.88 Houndoom Aquapolis Discover Keep browsing Fighting typeFighting type Pokmon cards SetDiamond & Pearl Most valuableTop 100 Pokmon cards You might also like...
Although it only gets tapped creatures, the base rate 2-mana mode gives you access to a strong combat trick that can be hard removal
Jenis, Lightsworn Mender X LIGHT Level 4 [ SpellcasterEffect ] ATK 300 DEF 2100 During the End Phase, if a card(s) was sent from your Deck to the Graveyard by the effect of a "Lightsworn" card this turn: Inflict 500 damage to your opponent, and if you do, gain 500 LP
