Agatha's Soul Cauldron, Deathbringer Thoctar, and Titanbones, Towering Heart

Prerequisites

• Agatha's Soul Cauldron on the battlefield
• Deathbringer Thoctar in exile
• Titanbones, Towering Heart on the battlefield

Steps

1. Activate Titanbones by using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, dealing 1 damage to any target and causing you to gain 1 life due to its lifelink
2. Titanbones triggers, putting two +1/+1 counters on it
3. Repeat

Results

• Infinite damage
• Infinite lifegain
• Infinite lifegain triggers
• Infinite +1/+1 counters on a creature