Aether Storm, Encroaching Mycosynth, and Collector Ouphe

Prerequisites

• Aether Storm on the battlefield
• Encroaching Mycosynth on the battlefield
• Collector Ouphe on the battlefield

Steps

1. Aether Storm prevents creature spells from being cast
2. Collector Ouphe prevents Aether Storm's ability from being activated to destroy it

Results

• Players cannot cast creature spells