How can you create a combo with Chainer, Dementia Master, Wurmcoil Engine, Phyrexian Altar, Lunarch Veteran // Luminous Phantom?
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[START OF COMBO]This combo can be formed with Chainer, Dementia Master, Wurmcoil Engine, Phyrexian Altar, Lunarch Veteran // Luminous Phantom

Color identity: WB
Mana cost: {B}{B}{B}
Steps:
  1. Activate Phyrexian Altar by sacrificing Wurmcoil Engine, adding {B}.
  2. When Wurmcoil Engine dies, it and Luminous Phantom trigger if its on the battlefield.
  3. Resolve the Luminous Phantom trigger, if applicable, causing you to gain 1 life.
  4. Resolve the Wurmcoil Engine trigger, creating two 3/3 Wurm artifact creature tokens.
  5. When the Wurms enter the battlefield, Lunarch Veteran triggers twice if its on the battlefield, causing you to gain 2 life.
  6. Activate Phyrexian Altar twice by sacrificing the Wurm tokens, adding {B}{B}.
  7. When the Wurms die, Luminous Phantom triggers twice if it is on the battlefield, causing you to gain 2 life.
  8. Activate Chainer by paying {B}{B}{B} and 3 life, putting Wurmcoil Engine from your graveyard onto the battlefield.
  9. When Wurmcoil Engine enters the battlefield, Lunarch Veteran triggers if its on the battlefield, causing you to gain 1 life.
  10. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Your life total is at least 2 if Lunarch Veteran is on the battlefield.
[END OF COMBO PREREQUISITES]
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