Olivia, Mobilized for War, Bloodflow Connoisseur, and Liliana, Dreadhorde General

Prerequisites

• Olivia, Mobilized for War on the battlefield
• Bloodflow Connoisseur on the battlefield
• Liliana, Dreadhorde General on the battlefield
• The persist creature does not have a -1/-1 counter on it

Steps

1. Activate Bloodflow Connoisseur by sacrificing the persist creature
2. When the persist creature dies, it and Liliana, Dreadhorde General trigger
3. Resolve the Liliana, Dreadhorde General 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 Bloodflow Connoisseur ability
7. Repeat

Results

• Near-infinite ETB
• Infinite draw triggers
• Infinite looting
• Near-infinite LTB
• Near-infinite death triggers
• Near infinite sacrifice triggers
• Near-infinite +1/+1 counters on Bloodflow Connoisseur
• Infinite self-discard triggers