How can you create a combo with Mirrorhall Mimic // Ghastly Mimicry, Timestream Navigator, Akroma's Memorial?
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[START OF COMBO]This combo can be formed with Mirrorhall Mimic // Ghastly Mimicry, Timestream Navigator, Akroma's Memorial

Color identity: U
Mana cost: {2}{U}{U} each turn
Steps:
  1. At the beginning of your upkeep, Ghastly Mimicry triggers, creating a token copy of Timestream Navigator.
  2. Activate the Timestream Navigator copy by paying {2}{U}{U}, tapping it, and putting it on the bottom of your library, taking an extra turn after this one.
  3. Pass the turn.
  4. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Ghastly Mimicry attached to Timestream Navigator.
  - You have the city's blessing.
[END OF COMBO PREREQUISITES]
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