Ayula, Queen Among Bears, Bishop of Wings, and Maskwood Nexus

Prerequisites

• Ayula, Queen Among Bears on the battlefield
• Bishop of Wings on the battlefield
• Maskwood Nexus on the battlefield
• available

Steps

1. Activate Maskwood Nexus by paying and tapping it, creating a 2/2 Shapeshifter token with changeling
2. Ayula and Bishop of Wings trigger
3. Resolve Ayula's trigger, causing the Shapeshifter to fight any creature you don't control with power 2 or greater
4. The Shapeshifter dies, triggering Bishop of Wings, creating a 1/1 Spirit token with all creature types
5. Ayula and Bishop of Wings trigger
6. Resolve Ayula's trigger, causing the Spirit to fight any creature you don't control with power 1 or greater
7. The Shapeshifter dies, triggering Bishop of Wings, creating a 1/1 Spirit token with all creature types
8. Repeat from step 5 until all creatures opponents control with 1 or more power have died
9. Resolve all Bishop of Wings triggers, gaining 4 life for each creature that entered the battlefield during this combo

Results

• Deal lethal damage to all creatures opponents control with power 1 or greater
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite LTB