Panoptic Mirror, and Temporal Manipulation

Prerequisites

• Panoptic Mirror on the battlefield
• Temporal Manipulation in exile

Steps

1. At the beginning of your upkeep, Panoptic Mirror triggers, casting a copy of Temporal Manipulation without paying its mana cost
2. Resolve Temporal Manipulation, causing you to take an extra turn after this one
3. Repeat each turn

Results

• Infinite turns