Wick, the Whorled Mind, Altar of Dementia, and Leyline of Transformation

Prerequisites

• Wick, the Whorled Mind in hand or in the command zone
• Altar of Dementia on the battlefield
• Leyline of Transformation on the battlefield
• plus enough mana to pay for commander tax, if applicable available

Steps

1. Cast Wick either from your hand or from the command zone by paying plus commander tax, if applicable
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 Leyline of Transformation, Wick triggers
7. Repeat from step 3

Results

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