How can you create a combo with Felisa, Fang of Silverquill, Nether Traitor, Phyrexian Altar, Mikaeus, the Unhallowed?
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[START OF COMBO]This combo can be formed with Felisa, Fang of Silverquill, Nether Traitor, Phyrexian Altar, Mikaeus, the Unhallowed

Color identity: WB
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Nether Traitor, adding {B}.
  2. Nether Traitor dies, triggering Mikaeus, returning Nether Traitor from your graveyard to the battlefield with a +1/+1 on it.
  3. Activate Phyrexian Altar by sacrificing Nether Traitor, adding one mana of any color.
  4. Nether Traitor dies, triggering Felisa, creating a 2/1 Inkling creature token.
  5. Activate Phyrexian Altar by sacrificing the Inkling, adding one mana of any color.
  6. The Inkling dies, triggering Nether Traitor, causing you to pay {B} to return it from your graveyard to the battlefield.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - 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
[END OF COMBO PREREQUISITES]
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