Will Kenrith has at least two loyalty counters.You control at least two artifacts.
Steps
Activate
Will Kenrith's -2 ability targeting yourself, reducing the cost of your instant, sorcery, and planeswalker spells by ({2} magic symbol) until end of turn and drawing you 2 cards.
Activate
Tolarian Academy by tapping it, adding at least ({U} magic symbol) ({U} magic symbol) .
Cast
Ghostly Flicker by paying ({U} magic symbol) , targeting
Tolarian Academy and
Scholar of the Ages, blinking them.
When
Scholar of the Ages enters the battlefield, return
Ghostly Flicker to you hand.
Repeat.
Results
Infinite blue mana.
Infinite ETB.
Infinite LTB.
Infinite magecraft triggers.
Infinite storm count.
Return all instant and sorcery cards from your graveyard to your hand.