How can you create a combo with Skullwinder, Cloudshift, Deekah, Fractal Theorist, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Skullwinder, Cloudshift, Deekah, Fractal Theorist, Phyrexian Altar

Color identity: GWU
Mana cost: {W}
Steps:
  1. Cast Cloudshift by paying {W}.
  2. Deekah triggers, creating a 0/0 Fractal creature token that enters with a +1/+1 counter on it.
  3. Resolve Cloudshift, blinking Skullwinder.
  4. Skullwinder enters the battlefield, returning Cloudshift from your graveyard to your hand and causing target opponent to return a card from their graveyard to their hand.
  5. Activate Phyrexian Altar by sacrificing the Fractal, adding {W}.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite magecraft triggers
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Skullwinder must be on the battlefield
  - Cloudshift must be in your hand
  - Deekah, Fractal Theorist must be on the battlefield
  - Phyrexian Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
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