Agatha's Soul Cauldron, Wall of Limbs, and Triskelion

Prerequisites

• Agatha's Soul Cauldron on the battlefield
• Wall of Limbs on the battlefield
• Triskelion in exile

Steps

1. Activate Wall of Limbs by using Triskelion'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. Wall of Limbs triggers, putting a +1/+1 counter on it
3. Repeat

Results

• Infinite damage
• Infinite lifegain triggers
• Infinite lifegain