Understanding these factors helps determine the worth of energy cards

Abyssal Persecutor Akroma's Memorial Akroma, Angel of Fury Akroma, Angel of Wrath Akroma, Angel of Wrath Avatar Akroma, Vision of Ixidor Akul the Unrepentant Archdemon of Greed Archdemon of Unx Archon of Valor's Reach Assault Zeppelid Atarka, World Render Atmospheric Greenhouse Atsushi, the Blazing Sky Aurelia, Exemplar of Justice Balmor, Battlemage Captain Bant Battlemage Bleeding Effect Blood Tyrant Bloodthirster Bloodvial Purveyor Cairn Wanderer Canopy Dragon Cavern-Hoard Dragon Chaos Imps Chromanticore Cleaving Reaper Collision // Colossus Collision // Colossus Concerted Effort Cosmic Spider-Man Crystalline Giant Cuboid Colony Darigaaz Reincarnated Death-Mask Duplicant Decadent Dragon Decadent Dragon Defiant Thundermaw Demon of Catastrophes Demon of Death's Gate Demon of Fate's Design Demon of Loathing Demonlord Belzenlok Devouring Strossus Dinosaurs on a Spaceship Doom Whisperer Dragon Tyrant Dragonloft Idol Dragonlord Atarka Dragonsoul Knight Drakewing Krasis Earthquake Dragon Eater of Days Eater of Virtue Emberwilde Caliph Emerald Dragon Emerald Dragon Empyreal Voyager Emrakul, the Promised End Escaped Shapeshifter Extinguisher Battleship Falco Spara, Pactweaver Firestorm Hellkite Flowstone Sculpture Gabriel Angelfire Galactus, Devourer of Worlds Gluttonous Hellkite Golem Artisan Goremand Greater Morphling Hailstorm Valkyrie Hellkite Hatchling

Literally all of this is good stuff for a Zabaz deck, and theres no way you should put one together without including this card
If you shine a black light on the label, the hologram wont show up, according to Frey