How can you create a combo with Thassa, Deep-Dwelling, Mnemonic Wall, Time Stretch?
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[START OF COMBO]This combo can be formed with Thassa, Deep-Dwelling, Mnemonic Wall, Time Stretch

Color identity: U
Mana cost: {8}{U}{U} every other turn
Steps:
  1. Cast Time Stretch by paying {8}{U}{U}, getting two extra turns after this one.
  2. At the beginning of your end step, Thassa triggers, blinking Mnemonic Wall.
  3. Mnemonic Wall enters the battlefield, returning Time Stretch from your graveyard to your hand.
  4. Repeat every other turn.[END OF COMBO STEPS]

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

Other prerequisites:
  - Thassa, Deep-Dwelling must be on the battlefield
  - Mnemonic Wall must be on the battlefield
  - Time Stretch must be in your hand
[END OF COMBO PREREQUISITES]
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