Visara the Dreadful + Thornbite Staff

Visara the Dreadful
Thornbite Staff

Requires
Visara the Dreadful must be on the battlefield. Thornbite Staff must be on the battlefield. Thornbite Staff attached to Visara. Visara does not have summoning sickness.
Steps
  1. Activate Visara by tapping it, destroying any creature.
  2. The creature dies, triggering Visara, untapping Visara.
  3. Repeat.
  4. You may also repeat this loop any time a creature enters the battlefield under an opponent control.
Results
Destroy any creature that enters the battlefield under an opponent's control. Destroy any number of target creature(s).