How can you create a combo with Liliana, Heretical Healer // Liliana, Defiant Necromancer, Cadaver Imp, Phyrexian Altar, Sifter of Skulls?
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[START OF COMBO]This combo can be formed with Liliana, Heretical Healer // Liliana, Defiant Necromancer, Cadaver Imp, Phyrexian Altar, Sifter of Skulls

Color identity: B
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Cadaver Imp, adding {B}.
  2. Cadaver Imp dies, triggering Sifter of Skulls and Liliana, Heretical Healer.
  3. Resolve the Sifter of Skulls trigger, creating a 1/1 Eldrazi Scion creature token.
  4. Resolve the Liliana, Heretical Healer trigger, exiling it and returning it to the battlefield transformed, and creating a 2/2 Zombie creature token.
  5. Activate Liliana, Defiant Necromancer's second loyalty ability by removing three loyalty counters from it.
  6. Liliana, Defiant Necromancer is put into your graveyard as a state-based action due to having zero loyalty.
  7. Resolve the Liliana, Defiant Necromancer ability, returning Cadaver Imp from your graveyard to the battlefield.
  8. Cadaver Imp enters the battlefield, returning Liliana, Heretical Healer from your graveyard to your hand.
  9. Activate Phyrexian Altar twice by sacrificing the Zombie and the Eldrazi Scion tokens, adding {1}{B}.
  10. Cast Liliana, Heretical Healer by paying {1}{B}{B}.
  11. 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
[END OF COMBO PREREQUISITES]
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