Aberrant Manawurm Academy Wall Adaptive Training Post Adeliz, the Cinder Wind Arcane Bombardment Arcane Heist Archmage Emeritus Archmage of Runes Aria of Flame Ashling, Flame Dancer Ashmouth Dragon Aven Wind Mage Aziza, Mage Tower Captain Balmor, Battlemage Captain Bayo, Irritable Instructor Beamsplitter Mage Bill Potts Blistercoil Weird Caldera Pyremaw Case of the Ransacked Lab Chakra Meditation Chandra, Hope's Beacon Charmbreaker Devils Clever Lumimancer Colorstorm Stallion Conciliator's Duelist Cryptic Pursuit Cursed Recording Dazzling Sphinx Deekah, Fractal Theorist Deluge Virtuoso Diary of Dreams Dirgur Focusmage Diviner of Mist Djinn of the Fountain Docent of Perfection Double Stroke Dragonsguard Elite Dynavolt Tower Eager First-Year Echoing Boon Electro, Assaulting Battery Electrostatic Field Electrostatic Infantry Elemental Expressionist Elemental Mascot Eluge, the Shoreless Sea Erebor Flamesmith Erratic Cyclops Exalted Flamer of Tzeentch Exhibition Tidecaller Expressive Firedancer Exterminator Magmarch Extus, Oriq Overlord Eyes of the Watcher Fandaniel, Telophoroi Ascian Feather, the Redeemed Festival Crasher Fiery Inscription Fin Fang Foom Final Iteration Fire Urchin Firemind's Research Fluxcharger Forum Necroscribe Frolicking Familiar Gale, Waterdeep Prodigy Gandalf of the Secret Fire Gandalf the Grey Geist of Regret Geistflame Reservoir
Virtually every color has some kind of spell that spits out tokens, and there's plenty that are ETB creatures themselves
Standard has too many counterspells to make this work the risk, and other formats are just going to laugh
It is one of two Gold Energy cards found in Shrouded Fable, though the only one to make the top 10
