The Locust God, Weatherlight Compleated, and Altar of Dementia

Prerequisites

• The Locust God on the battlefield
• Weatherlight Compleated on the battlefield
• Altar of Dementia on the battlefield
• Weatherlight Compleated has at least six phyresis counters on it
• You control at least one additional creature

Steps

1. Activate Altar of Dementia by sacrificing another creature
2. The creature dies, triggering Weatherlight Compleated, putting a phyresis counter on it and causing you to draw a card
3. The Locust God triggers, creating a 1/1 Insect creature token with flying and haste
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 card draw
• Infinite draw triggers
• Near-infinite damage
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite mill
• Near-infinite sacrifice triggers