How can you create a combo with Zethi, Arcane Blademaster, Walk the Aeons, Sudden Salvation?
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[START OF COMBO]This combo can be formed with Zethi, Arcane Blademaster, Walk the Aeons, Sudden Salvation

Color identity: WU
Mana cost: {6}{W}{W}{U}{U} each turn
Steps:
  1. Cast Walk the Aeons with buyback by paying {4}{U}{U} and sacrificing three Islands, causing you to take an extra turn after this one and return Walk the Aeons to your hand.
  2. Declare Zethi as an attacker.
  3. Zethi's second ability triggers, causing you to pay {2}{W}{W} to cast a copy of Sudden Salvation.
  4. Resolve the copy of Sudden Salvation, returning the three Islands that were sacrificed from your graveyard to the battlefield.
  5. Repeat each turn.[END OF COMBO STEPS]

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

Other prerequisites:
  - Zethi, Arcane Blademaster must be on the battlefield
  - Walk the Aeons must be in your hand
  - Sudden Salvation must be exiled
  - Sudden Salvation in exile with a kick counter on it.
  - Zethi does not have summoning sickness.
  - You control at least three Islands.
  - An opponent cannot block and kill Zethi.
[END OF COMBO PREREQUISITES]
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