Lyla, Holographic Assistant, Snake Umbra, and Triskelion

Prerequisites

• Lyla, Holographic Assistant on the battlefield
• Snake Umbra on the battlefield
• Triskelion on the battlefield

Steps

1. Activate Triskelion by removing a +1/+1 counter from it, dealing 1 damage to an opponent
2. Triskelion triggers, causing you to draw a card
3. Lyla triggers, putting a +1/+1 counter on Triskelion
4. Repeat

Results

• Near-infinite damage
• Infinite card draw
• Infinite draw triggers