Seething Song from exile by paying no more than , adding .
When you cast that spell,
Archmage of Runes triggers.
Holding priority, activate
Emiel the Blessed by paying , blinking
Blazing Firesinger, which enters prepared.
Repeat any number of times.
Resolve triggers from
Archmage of Runes until you have drawn as many cards as desired.
If the remaining number of
Archmage of Runes triggers is greater than the number of cards in your library, you must win the game or remove those triggers from the stack at instant speed to avoid losing from drawing from an empty library.
Results
Infinite card draw.
Infinite draw triggers.
Near-infinite creature ETB.
Near-infinite creature LTB.
Near-infinite magecraft triggers.
Near-infinite storm count.
Metadata
Bracket tag
SpicyBracket 3-4+
Probably 3 or 4, but hard to classify
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1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.