How can you create a combo with Chainer, Dementia Master, K'rrik, Son of Yawgmoth, Trostani, Selesnya's Voice, Phyrexian Dreadnought?
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[START OF COMBO]This combo can be formed with Chainer, Dementia Master, K'rrik, Son of Yawgmoth, Trostani, Selesnya's Voice, Phyrexian Dreadnought

Color identity: WBG
Mana cost: {1}
Steps:
  1. Cast Phyrexian Dreadnought by paying {1}.
  2. When Phyrexian Dreadnought enters the battlefield, it and Trostani trigger.
  3. Resolve the Trostani trigger, causing you to gain life equal to Phyrexian Dreadnought's toughness.
  4. Resolve the Phyrexian Dreadnought trigger, causing you to sacrifice it.
  5. Activate Chainer by paying 9 life due to K'rrik, returning Phyrexian Dreadnought from your graveyard to the battlefield.
  6. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - 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:
  - Chainer, Dementia Master must be on the battlefield
  - K'rrik, Son of Yawgmoth must be on the battlefield
  - Trostani, Selesnya's Voice must be on the battlefield
  - Phyrexian Dreadnought must be in your hand
[END OF COMBO PREREQUISITES]
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