One with the Kami, Cathars' Crusade, and Altar of Dementia

Prerequisites

• One with the Kami on the battlefield
• Cathars' Crusade on the battlefield
• Altar of Dementia on the battlefield
• You control at least one modified creature with power one or greater

Steps

1. Activate Altar of Dementia by sacrificing any other modified creature you control with power one or greater
2. One with the Kami triggers, creating a number of 1/1 Spirit creature tokens equal to the sacrificed creature's power
3. The Spirit tokens enter the battlefield, triggering Cathars' Crusade that many times, putting that many +1/+1 counters on each creature you control
4. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power
5. Repeat

Results

• Infinite +1/+1 counters
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill