How can you create a combo with Mystic Retrieval, Runic Repetition, Capture of Jingzhou?
user
[START OF COMBO]This combo can be formed with Mystic Retrieval, Runic Repetition, Capture of Jingzhou

Color identity: UR
Mana cost: {10}{U}{U}{U}{U}{R} each turn
Steps:
  1. Cast Capture of Jingzhou by paying {3}{U}{U}, causing you to take an extra turn after this one.
  2. Cast Mystic Retrieval by paying {3}{U}, returning Runic Repetition to your hand from your graveyard.
  3. Cast Mystic Retrieval from your graveyard for its flashback cost by paying {2}{R}, returning Capture of Jingzhou from your graveyard to your hand and exiling Mystic Retrieval.
  4. Cast Runic Repetition by paying {2}{U}, returning Mystic Retrieval from exile to your hand.
  5. Repeat each turn.[END OF COMBO STEPS]

Result:
  - Infinite turns
  - Instant/Sorcery with "Return Instant/Sorcery from GY to hand"[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Mystic Retrieval must be in your hand
  - Runic Repetition must be in the graveyard
  - Capture of Jingzhou must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant