38 cards where the card is tagged “energy-generator”

Aethergeode Miner (Aether Revolt #4)
Aether Meltdown (Kaladesh #36)
Aethersquall Ancient (Kaladesh #39)
Aetherstorm Roc (Kaladesh #3)
Aetherwind Basker (Aether Revolt #104)
Aetherworks Marvel (Kaladesh #193)
Architect of the Untamed (Kaladesh #143)
Assaultron Dominator (Fallout #54)
Automated Assembly Line (Fallout #10)
Behemoth of Vault 0 (Fallout #127)
Brotherhood Scribe (Fallout #13)
Chthonian Nightmare (Modern Horizons 3 #83)
Decoction Module (Kaladesh #205)
Demon of Dark Schemes (Kaladesh #73)
Dr. Madison Li (Fallout #3)
Dynavolt Tower (Kaladesh #208)
Electrosiphon (Fallout #104)
Empyreal Voyager (Kaladesh #180)
Era of Innovation (Kaladesh #45)
Glint-Sleeve Siphoner (Aether Revolt #62)
Gonti's Aether Heart (Aether Revolt #152)
Gonti's Machinations (Aether Revolt #63)
HELIOS One (Fallout #149)
Hightide Hermit (Kaladesh #51)
Liberty Prime, Recharged (Fallout #5)
Lightning Runner (Aether Revolt #90)
Longtusk Cub (Kaladesh #161)
Longtusk Stalker (Jumpstart: Historic Horizons #27)
Plasma Caster (Fallout #64)
Rex, Cyber-Hound (Fallout #117)
Robobrain War Mind (Fallout #38)
Scurry of Gremlins (Modern Horizons 3 #203)
Sentry Bot (Fallout #24)
Shielded Aether Thief (Aether Revolt #44)
Synth Eradicator (Fallout #67)
T-45 Power Armor (Fallout #145)
The Motherlode, Excavator (Fallout #62)
Vault 112: Sadistic Simulation (Fallout #123)

The message was clear to Sorin—time to search for something else.