How can you create a combo with Fiend Hunter, Phyrexian Delver, Trostani, Selesnya's Voice, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Fiend Hunter, Phyrexian Delver, Trostani, Selesnya's Voice, Phyrexian Altar

Color identity: WBG
Mana cost: {1}{W}{W}
Steps:
  1. Cast Fiend Hunter by paying {1}{W}{W}.
  2. Fiend Hunter enters the battlefield, triggering its first ability and Trostani.
  3. Resolve the Trostani trigger, causing you to gain life equal to Fiend Hunter's toughness.
  4. Resolve the Fiend Hunter trigger, exiling Phyrexian Delver until Fiend Hunter leaves the battlefield.
  5. Activate Phyrexian Altar by sacrificing Fiend Hunter, adding one mana of any color.
  6. Fiend Hunter leaves the battlefield, triggering its second ability, returning Phyrexian Delver from exile to the battlefield.
  7. Phyrexian Delver enters the battlefield, triggering itself and Trostani.
  8. Resolve the Trostani trigger, causing you to gain life equal to Phyrexian Delver's toughness.
  9. Resolve the Phyrexian Delver trigger, returning Fiend Hunter from your graveyard to the battlefield and causing you to lose three life.
  10. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite lifegain
  - Infinite lifegain triggers
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Fiend Hunter must be in your hand
  - Phyrexian Delver must be on the battlefield
  - Trostani, Selesnya's Voice must be on the battlefield
  - Phyrexian Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
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