Harnessed Snubhorn, and Second Chance

Prerequisites

• Harnessed Snubhorn on the battlefield
• Second Chance on the battlefield
• Your life total is five or less
• An opponent cannot block Harnessed Snubhorn

Steps

1. At the beginning of your upkeep, Second Chance triggers, causing you to sacrifice it and take an extra turn after this one
2. Deal combat damage to an opponent using Harnessed Snubhorn
3. Harnessed Snubhorn triggers, returning Second Chance from your graveyard to the battlefield
4. Repeat each turn

Results

• Infinite turns