Agatha's Soul Cauldron, Francisco, Fowl Marauder, and Deathbringer Thoctar

Prerequisites

• Agatha's Soul Cauldron on the battlefield
• Francisco, Fowl Marauder on the battlefield
• Deathbringer Thoctar in exile

Steps

1. Activate Francisco by using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, dealing 1 damage to any target
2. Francisco triggers, revealing the top card of your library, then putting it back on top and putting a +1/+1 counter on Francisco
3. Repeat

Results

• Infinite damage