How can you create a combo with Nim Deathmantle, Phyrexian Altar, Chittering Witch?
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[START OF COMBO]This combo can be formed with Nim Deathmantle, Phyrexian Altar, Chittering Witch

Color identity: B
Mana cost: {3}
Steps:
  1. Activate Phyrexian Altar by sacrificing Chittering Witch, adding {1}.
  2. Chittering Witch dies, triggering Nim Deathmantle, causing you to pay {4} to return Chittering Witch from your graveyard to the battlefield, and attach Nim Deathmantle to it.
  3. Chittering Witch enters the battlefield, creating at least three 1/1 Rat creature tokens.
  4. Activate Phyrexian Altar three times by sacrificing three Rats, adding {3}.
  5. 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:
  - All permanants must be on the battlefield
  - You have at least three opponents.
[END OF COMBO PREREQUISITES]
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