How can you create a combo with Unearth, Eternal Witness, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Unearth, Eternal Witness, Phyrexian Altar

Color identity: BG
Mana cost: 
Steps:
  1. Sacrifice Eternal Witness to Phyrexian Altar, for {B}.
  2. Cast Unearth, returning Eternal Witness from your graveyard to the battlefield.
  3. Eternal Witness enters, returning Unearth from your graveyard to your hand.
  4. Repeat.[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:
  - Unearth must be in your hand
  - Eternal Witness must be on the battlefield
  - Phyrexian Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant