Deal damage to a creature you control with toughness equal to one.
The creature dies as a state-based action due to having zero toughness.
The creature dies as an Angel due to Conspiracy, triggering Bishop of Wings' second ability, causing you to create a 1/1 Spirit creature token.
The Spirit enters the battlefield, as an Angel due to Conspiracy, triggering Bishop of Wings' first ability, causing you to gain four life.
Last Laugh triggers, dealing 1 damage to each creature except Bishop of WIngs, as well as each player.
The Spirit dies as a state-based action due to having zero toughness.
Repeat from step 3.

Infinite damage

Infinite death triggers

Infinite creature ETB

Infinite lifegain

Infinite lifegain triggers

Infinite creature LTB

Last Laugh

Bishop of Wings

Conspiracy

Floating Shield

Deal damage to a creature you control with toughness equal to one.
The creature dies as a state-based action due to having zero toughness.
The creature dies as an Angel due to Maskwood Nexus, triggering Bishop of Wings' second ability, causing you to create a 1/1 Spirit creature token.
The Spirit enters the battlefield, as an Angel due to Maskwood Nexus, triggering Bishop of Wings' first ability, causing you to gain four life.
Last Laugh triggers, dealing 1 damage to each creature except Bishop of WIngs, as well as each player.
The Spirit dies as a state-based action due to having zero toughness.
Repeat from step 3.

Maskwood Nexus

Cast Artificial Evolution by paying {U}, changing all instances of "Angel" on Bishop of Wings to "Spirit".
Deal damage to a Spirit you control with toughness equal to 1.
The creature dies as a state-based action due to having 0 toughness, triggering Bishop of Wings' second ability and Last Laugh.
Resolve the Bishop of Wings trigger, causing you to create a 1/1 Spirit creature token.
When the Spirit enters the battlefield, Bishop of Wings' first ability triggers , causing you to gain 4 life.
Resolve the Last Laugh trigger, dealing 1 damage to each creature except Bishop of WIngs, as well as each player.
Repeat from step 3.

Artificial Evolution

Deal damage to a creature you control with toughness equal to one.
The creature dies as a state-based action due to having zero toughness.
The creature dies as an Angel due to Arcane Adaptation, triggering Bishop of Wings' second ability, causing you to create a 1/1 Spirit creature token.
The Spirit enters the battlefield, as an Angel due to Arcane Adaptation, triggering Bishop of Wings' first ability, causing you to gain four life.
Last Laugh triggers, dealing 1 damage to each creature except Bishop of WIngs, as well as each player.
The Spirit dies as a state-based action due to having zero toughness.
Repeat from step 3.

Arcane Adaptation

Deal damage to a creature you control with toughness equal to one.
The creature dies as a state-based action due to having zero toughness.
The creature dies as an Angel due to Xenograft, triggering Bishop of Wings' second ability, causing you to create a 1/1 Spirit creature token.
The Spirit enters the battlefield, as an Angel due to Xenograft, triggering Bishop of Wings' first ability, causing you to gain four life.
Last Laugh triggers, dealing 1 damage to each creature except Bishop of WIngs, as well as each player.
The Spirit dies as a state-based action due to having zero toughness.
Repeat from step 3.

Combos with "Floating Shield"