Darkness Energy

Darkness Energy (168/147), the Secret Rare from Burning Shadows, has an estimated ungraded market price of about $53, typically in the $46–$60 range. Note: 25 other cards named Darkness Energy exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Darkness Energy (168/147), the Secret Rare (about $46–$60) from Burning Shadows.

The other versions: #94/95 from Call of Legends (Common, about $130–$170); #121/123 from HeartGold SoulSilver (Common, about $47–$65); #86/106 from Emerald (Rare, about $30–$40); #236/203 from Evolving Skies (Secret Rare, about $20–$26); #96/115 from Unseen Forces (Rare, about $17–$23); #158/165 from Expedition Base Set (Rare, about $14–$19); #142/147 from Aquapolis (Rare, about $10–$13); #104/111 from Neo Genesis (Rare, about $9–$13); #97/108 from Evolutions (Common, about $8–$10); #103/113 from Delta Species (Rare, about $7–$9); #86/95 from Call of Legends (Uncommon, about $6–$9); #81/83 from Generations (Common, about $6–$8); #129/130 from Diamond & Pearl (Common, about $6–$8); #158/159 from Crown Zenith (Ultra Rare, about $5–$7); #94/110 from Holon Phantoms (Rare, about $4–$6); #111/114 from Black & White (Common, about $4–$5); #93/100 from Majestic Dawn (Uncommon, about $4–$5); #87/108 from Power Keepers (Rare, about $3–$4); #93/109 from Ruby & Sapphire (Rare, about $2–$3); #119/123 from Mysterious Treasures (Uncommon, about $2–$3); #99/111 from Rising Rivals (Uncommon, about $2–$3); #79/90 from Undaunted (Uncommon, about $2–$3); #129/132 from Secret Wonders (Uncommon, about $1–$2); #138/146 from XY (Common, about $0.70–$1); #170/149 from Sun & Moon (Common, about under $1).

The collector number printed at the bottom of the card is the reliable way to tell them apart.