Color Identity: U

Initial Card State
- Panoptic Mirror on the battlefield.
- Time Stretch in exile.
Steps
- At the beginning of your upkeep, Panoptic Mirror triggers, casting a copy of Time Stretch without paying its mana cost.
- Resolve Time Stretch, causing you to take two extra turns after this one.
- Repeat each turn.
Notes
- If you have other cards exiled by Panoptic Mirror, you may repeat this loop every other turn and cast one of those cards during the remaining turns instead.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).