Deadeye Navigator is paired with Garth.

Activate Garth One-Eye by tapping it, choosing Black Lotus.
Cast the copy of Black Lotus.
Activate Black Lotus by tapping and sacrificing itself, adding .
Activate Garth One-Eye by paying , exiling and returning onto the battlefield.
Deadeye Navigator's soulbond ability triggers, repairing it and Garth One-Eye.
Repeat.

Activate Garth One-Eye by tapping it, choosing Black Lotus.
Cast the copy of Black Lotus.
Activate Black Lotus by tapping and sacrificing itself, adding .
Activate Emiel the Blessed by paying , exiling and returning Garth One-Eye onto the battlefield.
Repeat.

Cast Worldfire by paying , exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to one.
Parallax Wave leaves the battlefield, returning Kediss and Bloodswarn Steward from exile to the battlefield.
Deal combat damage to an opponent with Kediss.
The opponent dealt damage loses the game due to having less than zero life.
Kediss triggers, dealing damage equal to the combat damage dealt to each other opponent.
Each other opponent loses the game due to having less than zero life.