How can you create a combo with Whisper, Blood Liturgist, Necrotic Ooze, Black Carriage, Underworld Hermit?
user
[START OF COMBO]This combo can be formed with Whisper, Blood Liturgist, Necrotic Ooze, Black Carriage, Underworld Hermit

Color identity: B
Mana cost: 
Steps:
  1. During your upkeep, activate Necrotic Ooze using Whisper's ability by tapping it and sacrificing two other creatures, returning Underworld Hermit from your graveyard to the battlefield.
  2. When Underworld Hermit enters the battlefield, it triggers, creating at least four 1/1 Squirrel creature tokens.
  3. Activate Necrotic Ooze using Black Carriage's ability by sacrificing Underworld Hermit, untapping Necrotic Ooze.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Return all creature cards from your graveyard to the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Whisper, Blood Liturgist must be in the graveyard
  - Necrotic Ooze must be on the battlefield
  - Black Carriage must be in the graveyard
  - Underworld Hermit must be in the graveyard
  - Necrotic Ooze does not have summoning sickness.
  - You control at least two additional creatures.
  - It is your upkeep.
[END OF COMBO PREREQUISITES]
assistant