Olivia, Mobilized for War, Viscera Seer, and Weatherlight Compleated

Prerequisites

• Olivia, Mobilized for War on the battlefield
• Viscera Seer on the battlefield
• Weatherlight Compleated on the battlefield
• Weatherlight Compleated has at least six phyresis counters on it
• The persist creature does not have a -1/-1 counter on it

Steps

1. Activate Viscera Seer by sacrificing the persist creature
2. When the persist creature dies, it and Weatherlight Compleated trigger
3. Resolve the Weatherlight Compleated trigger, causing you to draw a card
4. Resolve the persist creature's trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it
5. When the persist creature enters the battlefield, Olivia triggers, putting a +1/+1 counter on the persist creature and causing you to discard a card
6. Resolve the Viscera Seer ability
7. Repeat

Results

• Near-infinite ETB
• Infinite draw triggers
• Infinite looting
• Near-infinite LTB
• Near-infinite death triggers
• Near infinite sacrifice triggers
• Infinite self-discard triggers