Storm-Kiln Artist and Scholar of the Ages on the battlefield.
({U} magic symbol) available.
Steps
Cast Essence Flux by paying ({U} magic symbol) , targeting Scholar of the Ages.
Storm-Kiln Artist triggers, creating a Treasure artifact token.
Resolve Essence Flux, blinking Scholar of the Ages.
When Scholar of the Ages enters the battlefield, it triggers, returning Essence Flux and up to one other instant or sorcery to your hand from your graveyard.
Activate the Treasure by tapping and sacrificing it, adding ({U} magic symbol) .
Repeat.
Results
Infinite ETB.
Infinite LTB.
Infinite magecraft triggers.
Infinite storm count.
Return all instant and sorcery cards from your graveyard to your hand.