How can you create a combo with Illuminor Szeras, Nim Deathmantle, Umbral Mantle?
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[START OF COMBO]This combo can be formed with Illuminor Szeras, Nim Deathmantle, Umbral Mantle

Color identity: B
Mana cost: 
Steps:
  1. Activate Illuminor Szeras by tapping it and sacrificing another creature with mana value eight or greater, adding at least eight {B}.
  2. When the creature dies, Nim Deathmantle triggers, causing you to pay {4} to return the creature from your graveyard to the battlefield, and attach Nim Deathmantle to it.
  3. Activate Illuminor Szeras by paying {3} and untapping it, giving it +2/+2 until end of turn.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite black mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinitely large Illuminor Szeras until end of turn
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control a nontoken creature with mana value eight or greater.
  - Illuminor Szeras does not have summoning sickness.
  - Umbral Mantle attached to Illuminor Szeras.
[END OF COMBO PREREQUISITES]
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