Nim Deathmantle, Altar of Dementia, Famished Foragers, and Panharmonicon

Prerequisites

• Nim Deathmantle on the battlefield
• Altar of Dementia on the battlefield
• Famished Foragers on the battlefield
• Panharmonicon on the battlefield
• An opponent has lost life this turn
• available

Steps

1. Activate Altar of Dementia by sacrificing Famished Foragers
2. When Famished Foragers dies, Nim Deathmantle triggers, causing you to pay to return Famished Foragers from your graveyard to the battlefield, and attach Nim Deathmantle to it
3. When Famished Foragers enters the battlefield, it triggers twice, adding six
4. Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Famished Foragers' power
5. Repeat
6. Once you have infinite mana, you may use Famished Foragers' ability to infinitely rummage

Results

• Infinite death triggers
• Infinite draw triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite red mana
• Infinite rummaging
• Infinite sacrifice triggers
• Infinite self-discard triggers
• Infinite self-mill