Eye of Singularity, and Faerie Artisans

Prerequisites

• Eye of Singularity on the battlefield
• Faerie Artisans on the battlefield

Steps

1. Whenever a nontoken creature enters the battlefield under an opponent's control, Eye of Singularity and Faerie Artisans triggers
2. Resolve the Eye of Singularity trigger, destroying nothing
3. Resolve the Faerie Artisans trigger, creating a token copy of the creature that entered the battlefield and exiling all other tokens created by Faerie Artisans
4. When the token enters the battlefield, Eye of Singularity triggers, destroying the token and all creatures that share a name with that token

Results

• Destroy all opposing creatures when they enter the battlefield