How can you create a combo with Panoptic Mirror, Time Walk?
user
[START OF COMBO]This combo can be formed with Panoptic Mirror, Time Walk

Color identity: U
Mana cost: 
Steps:
  1. On your upkeep, Panoptic Mirror triggers, casting a copy of Time Walk and giving you an extra turn.
  2. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Panoptic Mirror must be on the battlefield
  - Time Walk must be exiled
[END OF COMBO PREREQUISITES]
assistant