Auramancer, Second Chance, Thassa, Deep-Dwelling, and Leyline of Anticipation

Prerequisites

• Auramancer on the battlefield
• Second Chance on the battlefield
• Thassa, Deep-Dwelling on the battlefield
• Leyline of Anticipation on the battlefield
• each turn available

Steps

1. At the beginning of your upkeep, Second Chance triggers, causing you to sacrifice it and take an extra turh after this one
2. At the beginning of your end step, Thassa triggers, blinking Auramancer
3. When Auramancer enters the battlefield, it triggers, returning Second Chance from your graveyard to your hand
4. Cast Second Chance by paying
5. Repeat each turn

Results

• Infinite turns