How can you create a combo with Mikaeus, the Unhallowed, Murderous Redcap, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Mikaeus, the Unhallowed, Murderous Redcap, Ashnod's Altar

Color identity: BR
Mana cost: 
Steps:
  1. Activate Ashnod's Altar by sacrificing Murderous Redcap, adding {C}{C}.
  2. Murderous Redcap's persist and undying abilities trigger.
  3. Resolve Murderous Redcap's persist ability, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  4. Murderous Redcap's undying ability fails to resolve  due to having no legal target.
  5. Murderous Redcap enters the battlefield, dealing damage equal to its power to any target.
  6. Activate Ashnod's Altar by sacrificing Murderous Redcap, adding {C}{C}.
  7. Murderous Redcap's undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  8. Murderous Redcap enters the battlefield, dealing damage equal to its power to any target.
  9. Activate Ashnod's Altar by sacrificing Murderous Redcap, adding {C}{C}.
  10. Murderous Redcap's persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  11. Repeat from step 5.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite damage
  - 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]
assistant