Hansk, Slayer Zealot, and Thornbite Staff

Prerequisites

• Hansk, Slayer Zealot on the battlefield
• Thornbite Staff on the battlefield
• Thornbite Staff attached to Hansk
• You have a way to give Hansk deathtouch
• Hansk does not have summoning sickness

Steps

1. Give Hansk deathtouch by any method
2. Activate Hansk by tapping it, dealing 2 damage to target creature
3. That creature dies from lethal damage due to Hansk's deathtouch ability
4. Hansk's ability from Thornbite Staff triggers, untapping itself
5. Repeat for each creature opponents control and whenever an opponent controls a creature

Results

• Destroy all creatures opponents control
• Destroy all creatures that enter the battlefield under an opponent's control