Deal combat damage using Brago, triggering its ability.
Holding priority, activate any number of nonland permanents by tapping them, adding at least {2}.
Activate Peter Parker's Camera by paying {2}, tapping it and removing a film counter from it, copying Brago's trigger.
Resolve the copy of Brago's trigger, blinking Peter Parker's Camera and the permanent(s) tapped for mana in step 2.
Repeat from step 2.

Infinite artifact ETB

Infinite artifact LTB

Infinite creature LTB

Infinite creature ETB

Infinite blinking of nonland permanents

Brago, King Eternal

Peter Parker's Camera

Deal combat damage to an opponent using Etrata, triggering its ability.
Holding priority, activate Strionic Resonator by paying {2} and tapping it, copying Etrata's trigger.
Holding priority, activate Peter Parker's Camera by paying {2}, removing a flim counter from it and tapping it, copying Etrata's trigger.
Resolve all Etrata triggers, exiling three creatures an opponent controls and putting hit counters on them, and then causing that opponent to lose the game.

Target opponent loses the game

Etrata, the Silencer

Strionic Resonator

Deal combat damage to an opponent using Etrata, triggering its ability twice due to Roaming Throne.
Holding priority, activate Peter Parker's Camera by paying {2}, removing a film counter from it and tapping it, copying either of Etrata's triggers.
Resolve all Etrata triggers, exiling three creatures an opponent controls and putting hit counters on them, and then causing that opponent to lose the game.

Roaming Throne

Activate Contagion Engine by paying {4} and tapping it.
Holding priority, activate Peter Parker's Camera by paying {2}, tapping it and removing a film counter from it, copying Contagion Engine's ability.
Resolve both Contagion Engine abilities, putting at least three charge counters on Magistrate's Scepter and at least one film counter on Peter Parker's Camera.
Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, causing you to take an extra turn after this one.
Repeat during your next turn.

Infinite turns

Lock

Magistrate's Scepter

Contagion Engine

Cast Writhing Chrysalis by paying {2}{R}{G}.
Writhing Chrysalis and Ulalek trigger.
Holding priority, activate Peter Parker's Camera by paying {2} and tapping it, copying Ulalek's trigger.
Resolve the copied Ulalek trigger, causing you to pay {C}{C} and creating a copy of the Writhing Chrysalis spell, Writhing Chrysalis's trigger, and Ulalek's trigger.
Resolve the copied Ulalek trigger, causing you to pay {C}{C} and creating a copy of at least two Writhing Chrysalis spells, at least two Writhing Chrysalis's triggers, and Ulalek's trigger.
Resolve a Writhing Chrysalis trigger, creating two Eldrazi Spawn tokens.
Activate two Eldrazi Spawn tokens by sacrificing them, adding {C}{C}.
Repeat from 5 any number of times.
Once you have infinite copies of the spells and triggers, you can resolve them all, activate any number of Eldrazi Spawn tokens, and trigger all Writhing Chrysalis's final abilities.

Infinite creature sacrifice triggers

Infinite death triggers

Infinite colorless mana

Infinite creature tokens

Infinite +1/+1 counters on an infinite number of creature tokens

Ulalek, Fused Atrocity

Writhing Chrysalis

At the beginning of your upkeep, Progenitor Mimic triggers.
Holding priority, activate Peter Parker's Camera by paying {2}, removing a film counter from it and tapping it, copying Progenitor Mimic's trigger.
Resolve both triggers, creating two token copies of Biovisionary.
At the beginning of your end step, each Biovisionary triggers.
Resolve the first trigger, causing you to win the game.

Win the game

Biovisionary

Progenitor Mimic

Activate any number of permanents by tapping them, adding at least {4}{R}.
Activate Feldon by paying {2}{R} and tapping it, targeting Worldgorger Dragon.
Holding priority, activate Peter Parker's Camera by paying {2}, tapping and removing a film counter from it, copying Feldon's ability targeting Worldgorger Dragon.
Resolve the copy of Feldon's ability, creating a token copy of Worldgorger Dragon.
When the Worldgorger Dragon token enters, its first ability triggers, exiling all other permanents you control.
Resolve the Feldon ability from step 2, creating a token copy of Worldgorger Dragon.
When the Worldgorger Dragon token enters, its first ability triggers, exiling all other permanents you control.
When the Worldgorger Dragon token created in step 4 leaves the battlefield, its second ability triggers, returning all cards exiled with it to the battlefield.
Repeat.

Infinite landfall triggers

Infinite blinking of permanents

Infinite mana permanents you control that enter the battlefield untapped can produce

Infinite mana lands you control can produce

Feldon of the Third Path

Worldgorger Dragon

Thousand-Year Elixir

Combos with "Peter Parker's Camera"