Heavy Arbalest, Nature's Revolt, and Thornbite Staff

Prerequisites

• Heavy Arbalest on the battlefield
• Nature's Revolt on the battlefield
• Thornbite Staff on the battlefield
• Heavy Arbalest and Thornbite Staff attached to the same creature you control without summoning sickness

Steps

1. Whenever a land enters the battlefield, it enters as a 2/2 creature due to Nature's Revolt
2. Activate the creature with Heavy Arbalest and Thornbite Staff attached by tapping it, dealing 2 damage to the land
3. The land dies as a state-based action due to having zero toughness
4. The creature triggers, untapping itself
5. Repeat as desired for each land an opponent controls, and whenever a land enters the battlefield under an opponent's control

Results

• Destroy all lands opponents control
• Destroy any land that enters the battlefield under an opponent's control