Aether Storm + Phyrexian Revoker

Aether Storm
Phyrexian Revoker

Requires
All permanents on the battlefield. "Aether Storm" chosen with Phyrexian Revoker.
Steps
  1. Aether Storm prevents creature spells from being cast
  2. Because Phyrexian Revoker prevents Aether Storm's activated ability from being activated, it cannot be destroyed due to its ability
Results
Players cannot cast creature spells.