Kitchen Finks, Yahenni, Undying Partisan, and Hardened Academic

Prerequisites

• Kitchen Finks on the battlefield
• Yahenni, Undying Partisan on the battlefield
• Hardened Academic on the battlefield

Steps

1. Activate Yahenni by sacrificing Kitchen Finks
2. When Kitchen Finks dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. Hardened Academic and Kitchen Finks trigger
4. Resolve the Hardened Academic trigger, putting a +1/+1 counter on Kitchen Finks
5. Resolve the Kitchen Finks trigger, causing you to gain 2 life Resolve the Yahenni ability Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite sacrifice triggers