Infinite +1/+1 counters on a creatureInfinite creature ETBInfinite creature LTBInfinite magecraft triggersInfinite red manaInfinite storm countPut all instant and sorcery cards from your library into your hand
How it works
Cast the copy of the spell from exile by paying its mana cost.
When you cast that spell, Molten-Core Maestro, Prosper, and Displacer Kitten trigger.
Resolve the Displacer Kitten trigger, blinking Sanar, Unfinished Genius, which enters prepared.
Resolve the Molten-Core Maestro trigger, putting a +1/+1 counter on it and adding an amount of equal to its power.
Resolve the Prosper trigger, creating a Treasure token.
Activate the Treasure token by tapping and sacrificing it, adding the one non-red mana you need to cast the spell from step 1.