How can you create a combo with Whisper, Blood Liturgist, Volrath's Shapeshifter, Thousand-Year Elixir, Xathrid Necromancer?
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[START OF COMBO]This combo can be formed with Whisper, Blood Liturgist, Volrath's Shapeshifter, Thousand-Year Elixir, Xathrid Necromancer

Color identity: UB
Mana cost: 
Steps:
  1. Activate Whisper, Blood Liturgist, sacrificing itself and an additional creature to return Volrath's Shapeshifter from the graveyard to the battlefield.
  2. Xathrid Necromancer triggers, creating a zombie token.
  3. Volrath's Shapeshifter enters the battlefield as a copy of Whisper, Blood Liturgist.
  4. Activate Volrath's Shapeshifter, sacrificing itself and a zombie token to return Whisper, Blood Liturgist to the battlefield.
  5. Xathrid Necromancer triggers, creating a zombie token.[END OF COMBO STEPS]

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

Other prerequisites:
  - Whisper, Blood Liturgist must be on the battlefield
  - Volrath's Shapeshifter must be in the graveyard
  - Thousand-Year Elixir must be on the battlefield
  - Xathrid Necromancer must be on the battlefield
  - An additional creature on the battlefield.
[END OF COMBO PREREQUISITES]
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