Wick, the Whorled Mind, Altar of Dementia, and Rukarumel, Biologist

Prerequisites

• Wick, the Whorled Mind in hand or in the command zone
• Altar of Dementia on the battlefield
• Rukarumel, Biologist on the battlefield
• Rukarumel on the battlefield with "Rat" chosen
• available

Steps

1. Cast Wick by paying
2. When Wick enters the battlefield, it triggers
3. Holding priority, if you control a Snail, activate Altar of Dementia by sacrificing the Snail, causing target player to mill cards equal to the Snail's power
4. If needed, repeat step 3 until you do not control a Snail
5. Resolve the Wick trigger, creating a 1/1 Snail creature token
6. When the Snail enters the battlefield as a Rat due to Rukarumel, Wick triggers
7. Repeat from step 3

Results

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