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.

Win the game

Academy Rector

During the end step before your turn, cast Kaervek's Spite by paying {B}{B}{B}, discarding your hand, and sacrificing all permanents.
When Detention Sphere leaves the battlefield, its second ability triggers, returning Barren Glory from exile to the battlefield.
Resolve Kaervek's Spite, causing target player to lose 5 life.
At the beginning of your next upkeep, Barren Glory triggers, causing you to win the game.

Detention Sphere

During the end step before your turn, cast Clever Concealment by paying at most {2}{W}{W}, phasing out Barren Glory until your next turn.
Cast Kaervek's Spite by paying {B}{B}{B}, discarding your hand, and sacrificing all permanents, causing target player to lose 5 life.
At the beginning of your next draw step, Barren Glory phases in.
At the beginning of your next upkeep, Barren Glory triggers, causing you to win the game.

Clever Concealment

During the end step before your turn, activate The Pandorica by paying {1}{W} and tapping it, phasing out Barren Glory.
Cast Kaervek's Spite by paying {B}{B}{B}, discarding your hand, and sacrificing all permanents.
When The Pandorica leaves the battlefield, Barren Glory phases in.
Resolve Kaervek's Spite, causing an opponent to lose 5 life.
At the beginning of your next upkeep, Barren Glory triggers, causing you to win the game.

The Pandorica

During the turn before yours, cast Teferi's Time Twist by paying {1}{U}, exiling Barren Glory until the next end step.
Cast Kaervek's Spite by paying {B}{B}{B}, discarding your hand, and sacrificing all permanents, causing target player to lose 5 life.
At the beginning of your the next end step, Teferi's Time Twist triggers, returning Barren Glory from exile to the battlefield.
At the beginning of your next upkeep, Barren Glory triggers, causing you to win the game.

Teferi's Time Twist

Cast Release to the Wind by paying {2}{U}, exiling Barren Glory with the ability to cast it from exile.
Cast Kaervek's Spite by paying {B}{B}{B}, discarding your hand, and sacrificing all permanents, causing target player to lose 5 life.
Cast Barren Glory from exile without paying its mana cost.
At the beginning of your next upkeep, Barren Glory triggers, causing you to win the game.

Combos with "Kaervek's Spite"