How can you create a combo with Conduit of Worlds, Time Stretch, Salvager of Secrets, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Conduit of Worlds, Time Stretch, Salvager of Secrets, Phyrexian Altar

Color identity: GU
Mana cost: {8}{U} each odd-numbered turn, with {3}{U}{U} available each even-numbered turn
Steps:
  1. Activate Phyrexian Altar by sacrificing Salvager of Secrets, adding {U}.
  2. Cast Time Stretch by paying {8}{U}{U}, causing you to take two extra turns after this one.
  3. Move to your first extra turn.
  4. Activate Conduit of Worlds by tapping it, causing you to pay {3}{U}{U} to cast Salvager of Secrets from your graveyard.
  5. When Salvager of Secrets enters the battlefield, it triggers, returning Time Stretch from your graveyard to your hand.
  6. Move to your second extra turn.
  7. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - Conduit of Worlds must be on the battlefield
  - Time Stretch must be in your hand
  - Salvager of Secrets must be on the battlefield
  - Phyrexian Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
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