Storm-Kiln Artist triggers, creating a Treasure artifact token.
Resolve Essence Flux, blinking Scrivener
When Scrivener enters the battlefield, it triggers, returning Essence Flux to your hand from your graveyard.
Activate the Treasure by tapping and sacrificing it, adding .
Repeat.
This clever little loop turns a humble Spirit into a perpetual motion machine by weaponizing the graveyard and the stack. By casting Essence Flux to blink Scrivener, you trigger its enter-the-battlefield ability to fish that very same spell right back out of your graveyard. Meanwhile, Storm-Kiln Artist acts as the engine's financial backer; its magecraft ability churns out a Treasure token every time Essence Flux is cast, which you then crack for the exact white mana needed to repeat the whole performance.