Agrus Kos triggers, causing you to pay ({1} magic symbol) ({RW} magic symbol) to copy Soulbright Flamekin's ability, targeting every other creature you control.
Resolve all Soulbright Flamekin abilities, adding eight ({R} magic symbol) and giving creatures you control trample until end of turn.
Activate Jaxis by paying ({R} magic symbol) , tapping it and discarding a card, targeting Agrus Kos.
Agrus Kos triggers, causing you to pay ({1} magic symbol) ({RW} magic symbol) to copy Jaxis' ability, targeting every other creature you control.
Resolve all Jaxis abilities, creating a token that's a copy of each other creature you control with haste.
Put the token Agrus Kos into your graveyard due to the legend rule.
The Agrus Kos and Village Bell-Ringer tokens trigger.
Resolve the Agrus Kos trigger, causing you to draw a card.
Resolve the Village Bell-Ringer trigger, untapping all creatures you control.
Repeat, using the Soulbright Flamekin token instead.
Results
Infinite self-discard triggers.
Near-infinite ETB.
Infinite draw triggers.
Near-infinite LTB.
Infinite rummaging.
Near-infinite death triggers.
Near-infinite sacrifice triggers.
Near-infinite creature tokens with haste.
Near-infinite red mana.
Near-infinite untap of creatures you control.
Near-infinite mana creatures you control can produce.