Matoya, Archon Elder, Curator of Mysteries, and Prognostic Sphinx

Prerequisites

• Matoya, Archon Elder on the battlefield
• Curator of Mysteries on the battlefield
• Prognostic Sphinx on the battlefield

Steps

1. Activate Prognostic Sphinx by discarding a card
2. Curator of Mysteries triggers, causing you to scry 1
3. Matoya triggers, causing you to draw a card
4. Resolve the Prognostic Sphinx ability
5. Repeat

Results

• Infinite self-discard triggers
• Infinite draw triggers
• Infinite rummaging