Breath of Fury + Arclight Phoenix + Darklight Phoenix Combo

Darklight Phoenix on the battlefield or in your graveyard.

Breath of Fury and Arclight Phoenix on the battlefield.

At least two creatures have died this turn if Darklight Phoenix is in your graveyard. Breath of Fury is attached to Arclight Phoenix.

You've cast three or more instants and/or sorceries this turn.

At the beginning of your combat phase, if Darklight Phoenix is in your graveyard, it triggers, returning itself from your graveyard to the battlefield.

Deal combat damage using Arclight Phoenix, triggering Breath of Fury, causing you to sacrifice Arclight Phoenix, then attach Breath of Fury to Darklight Phoenix, then causing you to untap all creatures you control and to get an additional combat phase after this one.

Move to your next combat phase. At the beginning of the phase, Arclight Phoenix triggers, returning itself from your graveyard to the battlefield.

Deal combat damage using Darklight Phoenix, triggering Breath of Fury, causing you to sacrifice Darklight Phoenix, then attach Breath of Fury to Arclight Phoenix, then causing you to untap all creatures you control and to get an additional combat phase after this one.

Repeat.

Infinite combat damage

Infinite combat phases

Infinite creature ETB

Infinite creature LTB

Infinite creature sacrifice triggers

Infinite death triggers

Infinite mana creatures you control can produce

Infinite untap of creatures you control