Aether Storm + Mycosynth Lattice + Collector Ouphe

Aether Storm
Mycosynth Lattice
Collector Ouphe

Requires
All permanents 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.