For that reason, being a standard Reverse Holo alone does not guarantee a large premium
RR - Raging Claws 30+ 10 more damage for each damage counter on this Pokmon
Mewtwo & Mew GX (Unified Minds) Tag Team GX cards were one of the most popular, most creatively ambitious, and most collector-friendly mechanics ever introduced in the Pokemon TCG, combining two Pokemon on a single card with powerful combined attacks, elevated HP totals, and artwork that told a story about the relationship between the featured Pokemon
Espeon Gold Star was only available to members of the Daisuke Pokmon Fan Club
The value may come from the fact that this was one of the first enchanted cards as well, seeing as how Tink, Stitch, Carefree Surfer, and Elsa, Spirit of Winter have all maintained such a high value
A few off-shoot archetypes for Abzan include lifegain (Bilbo, Birthday Celebrant), poison (Ixhel, Scion of Atraxa and Vishgraz, the Doomhive), and enchantress (Anikthea, Hand of Erebos and Narci, Fable Singer), but none of these are super heavily supported by the 3-color Abzan cards