How can you create a combo with River Song, Soldevi Digger, Walk the Aeons?
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[START OF COMBO]This combo can be formed with River Song, Soldevi Digger, Walk the Aeons

Color identity: UR
Mana cost: {6}{U}{U} each turn
Steps:
  1. Cast Walk the Aeons by paying {4}{U}{U}, causing you to take an extra turn after this one.
  2. Activate Soldevi Digger by paying {2}, causing you to put Walk the Aeons on the bottom of your library from your graveyard.
  3. Move to your next turn, drawing Walk the Aeons from the bottom of your library due to River Song during your draw step.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite turns
  - Skip your draw step[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - River Song must be on the battlefield
  - Soldevi Digger must be on the battlefield
  - Walk the Aeons must be in your hand
[END OF COMBO PREREQUISITES]
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