How can you create a combo with Visara the Dreadful, Intruder Alarm, Overseer of the Damned?
user
[START OF COMBO]This combo can be formed with Visara the Dreadful, Intruder Alarm, Overseer of the Damned

Color identity: UB
Mana cost: 
Steps:
  1. Activate Visara by tapping it, destroying any nontoken creature.
  2. The creature dies, triggering Overseer of the Damned, creating a tapped 2/2 Zombie creature token.
  3. The Zombie enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Repeat.
  5. You may also repeat this loop any time a creature enters the battlefield under an opponent control.[END OF COMBO STEPS]

Result:
  - Destroy any nontoken creature that enters the battlefield under an opponent's control
  - Destroy any number of target nontoken creature(s)[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Visara does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant