Vhati il-Dal, Thornbite Staff, and Elesh Norn, Grand Cenobite

Prerequisites

• Vhati il-Dal on the battlefield
• Thornbite Staff on the battlefield
• Elesh Norn, Grand Cenobite on the battlefield
• Vhati il-Dal does not have summoning sickness
• Thornbite Staff attached to Vhati il-Dal

Steps

1. Activate Vhati il-Dal by tapping it, causing any creature an opponent controls to have base toughness 1 until end of turn
2. The creature dies as a state-based action due to having zero or less toughness
3. Vhati il-Dal triggers, untapping itself
4. Repeat
5. You may also repeat this process whenever a creature enters the battlefield

Results

• Destroy any number of creatures opponents control
• Destroy any number of creatures that enter the battlefield under an opponent's control