Drafna, Founder of Lat-Nam, Manifold Key, Coveted Jewel, and Birgi, God of Storytelling // Harnfel, Horn of Bounty

Prerequisites

• Drafna, Founder of Lat-Nam on the battlefield
• Manifold Key on the battlefield
• Coveted Jewel on the battlefield
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• available

Steps

1. Activate Coveted Jewel by tapping it, adding
2. Activate Manifold Key's first ability by paying and tapping it, untapping Coveted Jewel
3. Activate Drafna's first ability by paying , returning Manifold Key from the battlefield to your hand
4. Cast Manifold Key by paying
5. Birgi triggers, adding
6. Manifold Key enters
7. Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite card draw
• Infinite draw triggers
• Near-infinite storm count