During the end step of the opponent to your right, cast Kaervek's Spite by paying {B}{B}{B}, sacrificing all permanents you control, and discarding your hand, causing any target player to lose 5 life.
Oblivion Ring leaves the battlefield, triggering its own ability, returning Barren Glory to the battlefield.
At the beginning of your upkeep, Barren Glory triggers, causing you to win the game.

Win the game at the beginning of your upkeep

Oblivion Ring

Barren Glory

Kaervek's Spite

During the end step before your turn, cast Kaervek's Spite by paying {B}{B}{B}, discarding your hand, and sacrificing all permanents.
Academy Rector triggers, exiling itself and searching your library for Barren Glory, putting it onto the battlefield, and shuffling your library.
Resolve Kaervek's Spite, causing target player to lose five life.
At the beginning of your upkeep, Barren Glory triggers, causing you to win the game.

Combos with "Kaervek's Spite"