Panoptic Mirror, and Time Stretch

Prerequisites

• Panoptic Mirror on the battlefield
• Time Stretch in exile
• undefined

Steps

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

Results

• Infinite turns