How can you create a combo with Nexus of Fate, Divining Witch?
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[START OF COMBO]This combo can be formed with Nexus of Fate, Divining Witch

Color identity: UB
Mana cost: {6}{U}{U}{B} AVAILABLE ON YOUR FIRST TURN, AND {5}{U}{U} AVAILABLE EACH EXTRA TURN
Steps:
  1. Activate Divining Witch by paying {1}{B}, discarding a card, and tapping it, Divining Witch, naming a card not in your library and exiling your entire library.
  2. Cast Nexus of Fate by paying {5}{U}{U}, taking an extra turn after this one and shuffling Nexus of Fate into your empty library.
  3. Draw Nexus of Fate on your next draw step.
  4. Repeat from step 2 each turn.[END OF COMBO STEPS]

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

Other prerequisites:
  - Nexus of Fate must be in your hand
  - Divining Witch must be on the battlefield
  - Divining Witch is not summoning sick.
  - At least one additional card in hand.
[END OF COMBO PREREQUISITES]
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