How can you create a combo with Workhorse, Mikaeus, the Unhallowed, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Workhorse, Mikaeus, the Unhallowed, Altar of Dementia

Color identity: B
Mana cost: 
Steps:
  1. Activate Workhorse by removing all +1/+1 counters, adding that many {C}.
  2. Activate Altar of Dementia by sacrificing Workhorse.
  3. Workhorse undying ability triggers, returning it to the battlefield with an additional +1/+1 counter on it.
  4. Resolve the Altar of Dementia ability, causing target player to mill one card.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mill
  - Infinite sacrifice triggers
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant