Aether Flash, and Nature's Revolt

Prerequisites

• Aether Flash on the battlefield
• Nature's Revolt on the battlefield

Steps

1. Whenever a land enters the battlefield, it enters as a 2/2 creature due to Nature's Revolt
2. Aether Flash triggers, dealing 2 damage to the land
3. The land dies as a state-based action due to having less than zero toughness

Results

• Destroy all lands that enter the battlefield