How can you create a combo with Guile, Temporal Extortion, Witherbloom Apprentice?
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[START OF COMBO]This combo can be formed with Guile, Temporal Extortion, Witherbloom Apprentice

Color identity: BGU
Mana cost: {B}{B}{B}{B}
Steps:
  1. Cast Temporal Extortion by paying {B}{B}{B}{B}.
  2. Temporal Extortion and Witherbloom Apprentice trigger.
  3. Resolve the Temporal Extortion trigger, causing you to pay half your life total, rounded up, and then exile Temporal Extortion and cast it without paying its mana cost due to Guile.
  4. Repeat from step 2 until your life total is equal to one.
  5. Temporal Extortion and Witherbloom Apprentice trigger.
  6. Resolve the Witherbloom Apprentice trigger, causing you to gain 1 life and each opponent to lose 1 life.
  7. Resolve the Temporal Extortion trigger, causing you to pay half your life total, rounded up, and then exile Temporal Extortion and cast it without paying its mana cost due to Guile.
  8. Repeat from step 5.[END OF COMBO STEPS]

Result:
  - Infinite lifegain triggers
  - Infinite lifeloss
  - Infinite magecraft triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Guile must be on the battlefield
  - Temporal Extortion must be in your hand
  - Witherbloom Apprentice must be on the battlefield
  - Your life total is at least 2.
[END OF COMBO PREREQUISITES]
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