Horobi, Death's Wail + Thornbite Staff + Endbringer Combo

Played with this combo

Prerequisites
What do I need to start this combo?
- All permanents on the battlefield.
- Thornbite Staff attached to Endbringer. Endbringer does not have summoning sickness.
Steps
How does this combo work?
- 1
  Activate Endbringer's first ability by tapping it, targeting any creature.
- 2
  Horobi triggers, destroying that creature.
- 3
  When the creature dies, Endbringer triggers, untapping itself.
- 4
  Repeat.
- 5
  You may also repeat this loop whenever a creature enters the battlefield under an opponent's control.
Results
What do I get from this combo?
- Destroy any number of creatures opponents control
- Destroy each creature that enters the battlefield under an opponent's control
- Lock