How can you create a combo with Walk the Aeons, Mystic Sanctuary, Crucible of Worlds, Exploration?
user
[START OF COMBO]This combo can be formed with Walk the Aeons, Mystic Sanctuary, Crucible of Worlds, Exploration

Color identity: GU
Mana cost: {4}{U}{U} each turn
Steps:
  1. Cast Walk the Aeons by paying {4}{U}{U}, sacrificing Mystic Sanctuary and two other Islands, causing you to take an extra turn after this one and returning Walk the Aeons to your hand.
  2. Play any Island except Mystic Sanctuary from your graveyard.
  3. Move to your next turn.
  4. Cast Walk the Aeons by paying {4}{U}{U}, causing you to take an extra turn after this one.
  5. Play any Island except Mystic Sanctuary from your graveyard, then play Mystic Sanctuary from your graveyard.
  6. When Mystic Sanctuary enters the battlefield, it triggers, putting Walk the Aeons on top of your library from your graveyard.
  7. Move to your next turn, drawing Walk the Aeons during your draw step.
  8. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - Walk the Aeons must be in your hand
  - Mystic Sanctuary must be on the battlefield
  - Crucible of Worlds must be on the battlefield
  - Exploration must be on the battlefield
  - You control at least four Islands.
[END OF COMBO PREREQUISITES]
assistant