Bishop of Wings, Maskwood Nexus, and Altar of Dementia

Prerequisites

• Bishop of Wings on the battlefield
• Maskwood Nexus on the battlefield
• Altar of Dementia on the battlefield
• You control at least one additional creature

Steps

1. Activate Altar of Dementia by sacrificing another creature
2. When the creature dies, Bishop of Wings' second ability triggers, creating a 1/1 Spirit creature token
3. When the Spirit token enters the battlefield, Bishop of Wings' first ability triggers, causing you to gain 4 life
4. Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to the sacrificed creature's power
5. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill