Second Chance, Emeria Shepherd, and Guildless Commons

Prerequisites

• Second Chance on the battlefield
• Emeria Shepherd on the battlefield
• Guildless Commons in hand
• Your life total is five or less
• each turn available

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. Play Guildless Commons from your hand
3. Guildless Commons enters the battlefield, triggering itself and Emeria Shepherd
4. Resolve the Guildless Commons trigger, returning it from the battlefield to your hand
5. Resolve the Emeria Shepherd trigger, returning Second Chance from your graveyard to your hand
6. Cast Second Chance by paying
7. Repeat each turn

Results

• Infinite turns