How can you create a combo with Walking Ballista, Mikaeus, the Unhallowed?
user
[START OF COMBO]This combo can be formed with Walking Ballista, Mikaeus, the Unhallowed

Color identity: B
Mana cost: 
Steps:
  1. Activate Walking Ballista's last ability by removing a +1/+1 counter from it, dealing 1 damage to itself.
  2. Walking Ballista dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Walking Ballista on the battlefield with a +1/+1 counter on it.
[END OF COMBO PREREQUISITES]
assistant