Blazing Firesinger // Seething Song + Emiel the Blessed + Case of the Ransacked Lab

How it works

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Cast a copy of Seething Song from exile by paying no more than , adding .
When you cast that spell, if Case of the Ransacked Lab is solved, it triggers.
Holding priority, activate Emiel the Blessed by paying , blinking Blazing Firesinger, which enters prepared.
Repeat any number of times.
Resolve any number of triggers from Case of the Ransacked Lab, if it was solved, drawing any number of cards.
If the remaining number of Case of the Ransacked Lab 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 the game from drawing from an empty library.

In which brackets is this combo allowed, per Spellbook's Spicy tier?

1–2 · Exhibition & Core

Spellbook classifies this as Spicy — not for these brackets.

3 · Upgraded

Allowed in this bracket.

4–5 · Optimized & cEDH

All combos are allowed.