Sozin's Comet in hand or in exile (was foretold on a previous turn).
Notable Prerequisites
You control another creature that can attack this turn.
An opponent cannot block creatures you control.
Mana Needed
at most available.
Steps
Cast
Sozin's Comet either from your hand by paying or from exile for its foretell cost by paying , causing each creature you control to gain firebending 5 until end of turn.
Declare
Hellkite Charger and at least one other creature as attackers, triggering each creature's firebending ability and
Hellkite Charger.
Resolve each firebending trigger, adding for each attacking creature.
Resolve the
Hellkite Charger trigger, causing you to pay to untap all attacking creatures and to get an additional combat phase after this one.
Repeat from step 2 each combat phase.
Results
Infinite combat phases.
Infinite red mana.
Infinite combat damage.
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.