Heliod, Sun-Crowned, Kitchen Finks, and Altar of Dementia

Prerequisites

• Heliod, Sun-Crowned on the battlefield
• Kitchen Finks on the battlefield
• Altar of Dementia on the battlefield
• Kitchen Finks does not have a -1/-1 counter on it

Steps

1. Activate Altar of Dementia by sacrificing Kitchen Finks
2. Kitchen Finks dies, triggering its persist ability, returning Kitchen Finks from your graveyard to the battlefield with a -1/-1 counter on it
3. Kitchen Finks enters the battlefield, causing you to gain two life
4. Heliod triggers, putting a +1/+1 counter on Kitchen Finks
5. Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Kitchen Finks' power
6. Repeat

Results

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