do pokemon energy cards have value 7 RARE Holo Starfoil Promo Set. Authentic Holo Energy Card Age Group I'm new to collecting pokemon

so if you want it in your deck, thats probably your best option

Mime #102 - Marill #103 - Azumarill #104 - Azumarill #105 - Gardevoir EX #106 - M Gardevoir EX #107 - Kingdra #108 - Kingdra #109 - Vibrava #110 - Flygon #111 - Zigzagoon #112 - Linoone #113 - Skitty #114 - Delcatty #115 - Spinda #116 - Bidoof #117 - Bidoof #118 - Bibarel #119 - Bouffalant #120 - Bunnelby #121 - Bunnelby #122 - Acro Bike #123 - Aggron Spirit Link #124 - Archie's Ace in the Hole #125 - Dive Ball #126 - Energy Retrieval #127 - Escape Rope #128 - Exp

and Pikachu Libre

This is great insurance, as losing your board to Westvale Abbey only to lose Ormendahl to removal always feels rough

Developments such as the introduction of new generations of Pokmon or gameplay mechanics can significantly influence the future value of current sets

I have to think its the art, the feeling that those 500 copies of Jin-Gitaxias are truly unique, whereas there are thousands of copies of Ragavan out there that look the same as a serialized version only without the xxx/500 printed on there