How can you create a combo with Eternal Witness, Phyrexian Altar, Kaya's Ghostform?
user
[START OF COMBO]This combo can be formed with Eternal Witness, Phyrexian Altar, Kaya's Ghostform

Color identity: BG
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Eternal Witness, adding {B}.
  2. When Eternal Witness dies, Kaya's Ghostform triggers, returning Eternal Witness from your graveyard to the battlefield.
  3. When Eternal Witness enters the battlefield, it triggers, returning Kaya's Ghostform from your graveyard to your hand.
  4. Cast Kaya's Ghostform by paying {B}.
  5. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Kaya's Ghostform attached to Eternal Witness.
[END OF COMBO PREREQUISITES]
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